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Finding the Fourth Proportional to 6,597.25, 9,895.88 and 1,980.25

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Solution

The fourth proportional to 6,597.25, 9,895.88 and 1,980.25 is: 2,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,597.25 : 9,895.88 = 1,980.25 : x
  2. Step 2: Convert to fraction form
    6,597.25/9,895.88 = 1,980.25/x
  3. Step 3: Cross multiply
    6,597.25x = 9,895.88 × 1,980.25
  4. Step 4: Simplify right side
    6,597.25x = 19,596,316.37
  5. Step 5: Solve for x
    x = 19,596,316.37/6,597.25
  6. Step 6: Final answer
    x = 2,970.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.