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Finding the Fourth Proportional to 71,453.52, 98,602.65 and 41,244.21

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Solution

The fourth proportional to 71,453.52, 98,602.65 and 41,244.21 is: 56,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.52 : 98,602.65 = 41,244.21 : x
  2. Step 2: Convert to fraction form
    71,453.52/98,602.65 = 41,244.21/x
  3. Step 3: Cross multiply
    71,453.52x = 98,602.65 × 41,244.21
  4. Step 4: Simplify right side
    71,453.52x = 4,066,788,403.16
  5. Step 5: Solve for x
    x = 4,066,788,403.16/71,453.52
  6. Step 6: Final answer
    x = 56,915.16

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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.