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Finding the Fourth Proportional to 58,572.13, 87,866.78 and 18,577.78

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Solution

The fourth proportional to 58,572.13, 87,866.78 and 18,577.78 is: 27,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.13 : 87,866.78 = 18,577.78 : x
  2. Step 2: Convert to fraction form
    58,572.13/87,866.78 = 18,577.78/x
  3. Step 3: Cross multiply
    58,572.13x = 87,866.78 × 18,577.78
  4. Step 4: Simplify right side
    58,572.13x = 1,632,369,708.15
  5. Step 5: Solve for x
    x = 1,632,369,708.15/58,572.13
  6. Step 6: Final answer
    x = 27,869.39

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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.