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Finding the Fourth Proportional to 60,407.32, 90,646.62 and 22,998.88

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Solution

The fourth proportional to 60,407.32, 90,646.62 and 22,998.88 is: 34,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407.32 : 90,646.62 = 22,998.88 : x
  2. Step 2: Convert to fraction form
    60,407.32/90,646.62 = 22,998.88/x
  3. Step 3: Cross multiply
    60,407.32x = 90,646.62 × 22,998.88
  4. Step 4: Simplify right side
    60,407.32x = 2,084,770,735.79
  5. Step 5: Solve for x
    x = 2,084,770,735.79/60,407.32
  6. Step 6: Final answer
    x = 34,511.89

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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.