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Finding the Fourth Proportional to 40,244.84, 60,373.02 and 12,545

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Solution

The fourth proportional to 40,244.84, 60,373.02 and 12,545 is: 18,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.84 : 60,373.02 = 12,545 : x
  2. Step 2: Convert to fraction form
    40,244.84/60,373.02 = 12,545/x
  3. Step 3: Cross multiply
    40,244.84x = 60,373.02 × 12,545
  4. Step 4: Simplify right side
    40,244.84x = 757,379,535.90
  5. Step 5: Solve for x
    x = 757,379,535.90/40,244.84
  6. Step 6: Final answer
    x = 18,819.30

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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.