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Finding the Fourth Proportional to 7,386.25, 10,193.03 and 4,074.25

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Solution

The fourth proportional to 7,386.25, 10,193.03 and 4,074.25 is: 5,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.25 : 10,193.03 = 4,074.25 : x
  2. Step 2: Convert to fraction form
    7,386.25/10,193.03 = 4,074.25/x
  3. Step 3: Cross multiply
    7,386.25x = 10,193.03 × 4,074.25
  4. Step 4: Simplify right side
    7,386.25x = 41,528,932.11
  5. Step 5: Solve for x
    x = 41,528,932.11/7,386.25
  6. Step 6: Final answer
    x = 5,622.47

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Half scale
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Double scale
Find fourth proportional to 7,387.25, 10,194.41 and 4,075.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.