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Finding the Fourth Proportional to 55,876.70, 83,803.29 and 16,423.10

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Solution

The fourth proportional to 55,876.70, 83,803.29 and 16,423.10 is: 24,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,876.70 : 83,803.29 = 16,423.10 : x
  2. Step 2: Convert to fraction form
    55,876.70/83,803.29 = 16,423.10/x
  3. Step 3: Cross multiply
    55,876.70x = 83,803.29 × 16,423.10
  4. Step 4: Simplify right side
    55,876.70x = 1,376,309,812.00
  5. Step 5: Solve for x
    x = 1,376,309,812.00/55,876.70
  6. Step 6: Final answer
    x = 24,631.19

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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.