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Finding the Fourth Proportional to 83,892.48, 115,772.14 and 45,652.34

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Solution

The fourth proportional to 83,892.48, 115,772.14 and 45,652.34 is: 63,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.48 : 115,772.14 = 45,652.34 : x
  2. Step 2: Convert to fraction form
    83,892.48/115,772.14 = 45,652.34/x
  3. Step 3: Cross multiply
    83,892.48x = 115,772.14 × 45,652.34
  4. Step 4: Simplify right side
    83,892.48x = 5,285,269,097.81
  5. Step 5: Solve for x
    x = 5,285,269,097.81/83,892.48
  6. Step 6: Final answer
    x = 63,000.51

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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.