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Finding the Fourth Proportional to 64,916.82, 89,592.03 and 38,060.46

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Solution

The fourth proportional to 64,916.82, 89,592.03 and 38,060.46 is: 52,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.82 : 89,592.03 = 38,060.46 : x
  2. Step 2: Convert to fraction form
    64,916.82/89,592.03 = 38,060.46/x
  3. Step 3: Cross multiply
    64,916.82x = 89,592.03 × 38,060.46
  4. Step 4: Simplify right side
    64,916.82x = 3,409,913,874.13
  5. Step 5: Solve for x
    x = 3,409,913,874.13/64,916.82
  6. Step 6: Final answer
    x = 52,527.43

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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.