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Finding the Fourth Proportional to 40,423.70, 60,638.70 and 10,841.24

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Solution

The fourth proportional to 40,423.70, 60,638.70 and 10,841.24 is: 16,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.70 : 60,638.70 = 10,841.24 : x
  2. Step 2: Convert to fraction form
    40,423.70/60,638.70 = 10,841.24/x
  3. Step 3: Cross multiply
    40,423.70x = 60,638.70 × 10,841.24
  4. Step 4: Simplify right side
    40,423.70x = 657,398,699.99
  5. Step 5: Solve for x
    x = 657,398,699.99/40,423.70
  6. Step 6: Final answer
    x = 16,262.70

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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.