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Finding the Fourth Proportional to 71,024.28, 98,030.28 and 40,827.12

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Solution

The fourth proportional to 71,024.28, 98,030.28 and 40,827.12 is: 56,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.28 : 98,030.28 = 40,827.12 : x
  2. Step 2: Convert to fraction form
    71,024.28/98,030.28 = 40,827.12/x
  3. Step 3: Cross multiply
    71,024.28x = 98,030.28 × 40,827.12
  4. Step 4: Simplify right side
    71,024.28x = 4,002,294,342.10
  5. Step 5: Solve for x
    x = 4,002,294,342.10/71,024.28
  6. Step 6: Final answer
    x = 56,351.07

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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.