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Finding the Fourth Proportional to 84,487.88, 116,593.39 and 52,656.78

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Solution

The fourth proportional to 84,487.88, 116,593.39 and 52,656.78 is: 72,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,487.88 : 116,593.39 = 52,656.78 : x
  2. Step 2: Convert to fraction form
    84,487.88/116,593.39 = 52,656.78/x
  3. Step 3: Cross multiply
    84,487.88x = 116,593.39 × 52,656.78
  4. Step 4: Simplify right side
    84,487.88x = 6,139,432,453.77
  5. Step 5: Solve for x
    x = 6,139,432,453.77/84,487.88
  6. Step 6: Final answer
    x = 72,666.43

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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.