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Finding the Fourth Proportional to 62,666.64, 86,478.48 and 34,372.08

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Solution

The fourth proportional to 62,666.64, 86,478.48 and 34,372.08 is: 47,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.64 : 86,478.48 = 34,372.08 : x
  2. Step 2: Convert to fraction form
    62,666.64/86,478.48 = 34,372.08/x
  3. Step 3: Cross multiply
    62,666.64x = 86,478.48 × 34,372.08
  4. Step 4: Simplify right side
    62,666.64x = 2,972,445,232.84
  5. Step 5: Solve for x
    x = 2,972,445,232.84/62,666.64
  6. Step 6: Final answer
    x = 47,432.66

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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.