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Finding the Fourth Proportional to 60,408.65, 83,374.80 and 34,911.52

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Solution

The fourth proportional to 60,408.65, 83,374.80 and 34,911.52 is: 48,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408.65 : 83,374.80 = 34,911.52 : x
  2. Step 2: Convert to fraction form
    60,408.65/83,374.80 = 34,911.52/x
  3. Step 3: Cross multiply
    60,408.65x = 83,374.80 × 34,911.52
  4. Step 4: Simplify right side
    60,408.65x = 2,910,740,997.70
  5. Step 5: Solve for x
    x = 2,910,740,997.70/60,408.65
  6. Step 6: Final answer
    x = 48,184.18

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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.