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Finding the Fourth Proportional to 40,337.80, 60,485.10 and 16,937.80

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Solution

The fourth proportional to 40,337.80, 60,485.10 and 16,937.80 is: 25,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.80 : 60,485.10 = 16,937.80 : x
  2. Step 2: Convert to fraction form
    40,337.80/60,485.10 = 16,937.80/x
  3. Step 3: Cross multiply
    40,337.80x = 60,485.10 × 16,937.80
  4. Step 4: Simplify right side
    40,337.80x = 1,024,484,526.78
  5. Step 5: Solve for x
    x = 1,024,484,526.78/40,337.80
  6. Step 6: Final answer
    x = 25,397.63

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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.