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Finding the Fourth Proportional to 60,128.60, 90,123.19 and 22,664.69

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Solution

The fourth proportional to 60,128.60, 90,123.19 and 22,664.69 is: 33,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,128.60 : 90,123.19 = 22,664.69 : x
  2. Step 2: Convert to fraction form
    60,128.60/90,123.19 = 22,664.69/x
  3. Step 3: Cross multiply
    60,128.60x = 90,123.19 × 22,664.69
  4. Step 4: Simplify right side
    60,128.60x = 2,042,614,163.16
  5. Step 5: Solve for x
    x = 2,042,614,163.16/60,128.60
  6. Step 6: Final answer
    x = 33,970.76

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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.