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Finding the Fourth Proportional to 57,647.76, 86,468.52 and 17,666.70

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Solution

The fourth proportional to 57,647.76, 86,468.52 and 17,666.70 is: 26,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.76 : 86,468.52 = 17,666.70 : x
  2. Step 2: Convert to fraction form
    57,647.76/86,468.52 = 17,666.70/x
  3. Step 3: Cross multiply
    57,647.76x = 86,468.52 × 17,666.70
  4. Step 4: Simplify right side
    57,647.76x = 1,527,613,402.28
  5. Step 5: Solve for x
    x = 1,527,613,402.28/57,647.76
  6. Step 6: Final answer
    x = 26,499.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.