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Finding the Fourth Proportional to 47,892.01, 66,073.11 and 47,818.17

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Solution

The fourth proportional to 47,892.01, 66,073.11 and 47,818.17 is: 65,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,892.01 : 66,073.11 = 47,818.17 : x
  2. Step 2: Convert to fraction form
    47,892.01/66,073.11 = 47,818.17/x
  3. Step 3: Cross multiply
    47,892.01x = 66,073.11 × 47,818.17
  4. Step 4: Simplify right side
    47,892.01x = 3,159,494,967.32
  5. Step 5: Solve for x
    x = 3,159,494,967.32/47,892.01
  6. Step 6: Final answer
    x = 65,971.23

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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.