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Finding the Fourth Proportional to 32,487.90, 48,724.56 and 14,940.90

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Solution

The fourth proportional to 32,487.90, 48,724.56 and 14,940.90 is: 22,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.90 : 48,724.56 = 14,940.90 : x
  2. Step 2: Convert to fraction form
    32,487.90/48,724.56 = 14,940.90/x
  3. Step 3: Cross multiply
    32,487.90x = 48,724.56 × 14,940.90
  4. Step 4: Simplify right side
    32,487.90x = 727,988,778.50
  5. Step 5: Solve for x
    x = 727,988,778.50/32,487.90
  6. Step 6: Final answer
    x = 22,408.00

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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.