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Finding the Fourth Proportional to 62,675.64, 86,490.90 and 34,381.08

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Solution

The fourth proportional to 62,675.64, 86,490.90 and 34,381.08 is: 47,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,675.64 : 86,490.90 = 34,381.08 : x
  2. Step 2: Convert to fraction form
    62,675.64/86,490.90 = 34,381.08/x
  3. Step 3: Cross multiply
    62,675.64x = 86,490.90 × 34,381.08
  4. Step 4: Simplify right side
    62,675.64x = 2,973,650,552.17
  5. Step 5: Solve for x
    x = 2,973,650,552.17/62,675.64
  6. Step 6: Final answer
    x = 47,445.08

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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.