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Finding the Fourth Proportional to 69,331.95, 95,652.44 and 45,471.87

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Solution

The fourth proportional to 69,331.95, 95,652.44 and 45,471.87 is: 62,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331.95 : 95,652.44 = 45,471.87 : x
  2. Step 2: Convert to fraction form
    69,331.95/95,652.44 = 45,471.87/x
  3. Step 3: Cross multiply
    69,331.95x = 95,652.44 × 45,471.87
  4. Step 4: Simplify right side
    69,331.95x = 4,349,495,089.50
  5. Step 5: Solve for x
    x = 4,349,495,089.50/69,331.95
  6. Step 6: Final answer
    x = 62,734.35

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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.