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Finding the Fourth Proportional to 7,805.93, 10,772.45 and 4,449.24

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Solution

The fourth proportional to 7,805.93, 10,772.45 and 4,449.24 is: 6,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.93 : 10,772.45 = 4,449.24 : x
  2. Step 2: Convert to fraction form
    7,805.93/10,772.45 = 4,449.24/x
  3. Step 3: Cross multiply
    7,805.93x = 10,772.45 × 4,449.24
  4. Step 4: Simplify right side
    7,805.93x = 47,929,193.19
  5. Step 5: Solve for x
    x = 47,929,193.19/7,805.93
  6. Step 6: Final answer
    x = 6,140.10

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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.