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Finding the Fourth Proportional to 60,655.96, 90,663.44 and 52,695.28

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Solution

The fourth proportional to 60,655.96, 90,663.44 and 52,695.28 is: 78,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.96 : 90,663.44 = 52,695.28 : x
  2. Step 2: Convert to fraction form
    60,655.96/90,663.44 = 52,695.28/x
  3. Step 3: Cross multiply
    60,655.96x = 90,663.44 × 52,695.28
  4. Step 4: Simplify right side
    60,655.96x = 4,777,535,356.56
  5. Step 5: Solve for x
    x = 4,777,535,356.56/60,655.96
  6. Step 6: Final answer
    x = 78,764.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.