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Finding the Fourth Proportional to 60,407.88, 83,350.44 and 34,905.12

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Solution

The fourth proportional to 60,407.88, 83,350.44 and 34,905.12 is: 48,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407.88 : 83,350.44 = 34,905.12 : x
  2. Step 2: Convert to fraction form
    60,407.88/83,350.44 = 34,905.12/x
  3. Step 3: Cross multiply
    60,407.88x = 83,350.44 × 34,905.12
  4. Step 4: Simplify right side
    60,407.88x = 2,909,357,110.25
  5. Step 5: Solve for x
    x = 2,909,357,110.25/60,407.88
  6. Step 6: Final answer
    x = 48,161.88

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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.