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Finding the Fourth Proportional to 64,077.92, 88,428.12 and 37,221.56

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Solution

The fourth proportional to 64,077.92, 88,428.12 and 37,221.56 is: 51,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,077.92 : 88,428.12 = 37,221.56 : x
  2. Step 2: Convert to fraction form
    64,077.92/88,428.12 = 37,221.56/x
  3. Step 3: Cross multiply
    64,077.92x = 88,428.12 × 37,221.56
  4. Step 4: Simplify right side
    64,077.92x = 3,291,432,655.76
  5. Step 5: Solve for x
    x = 3,291,432,655.76/64,077.92
  6. Step 6: Final answer
    x = 51,366.10

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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.