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Finding the Fourth Proportional to 58,423.50, 80,624.43 and 31,566.02

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Solution

The fourth proportional to 58,423.50, 80,624.43 and 31,566.02 is: 43,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.50 : 80,624.43 = 31,566.02 : x
  2. Step 2: Convert to fraction form
    58,423.50/80,624.43 = 31,566.02/x
  3. Step 3: Cross multiply
    58,423.50x = 80,624.43 × 31,566.02
  4. Step 4: Simplify right side
    58,423.50x = 2,544,991,966.75
  5. Step 5: Solve for x
    x = 2,544,991,966.75/58,423.50
  6. Step 6: Final answer
    x = 43,561.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.