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Finding the Fourth Proportional to 16,089.87, 24,143.87 and 12,570.01

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Solution

The fourth proportional to 16,089.87, 24,143.87 and 12,570.01 is: 18,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089.87 : 24,143.87 = 12,570.01 : x
  2. Step 2: Convert to fraction form
    16,089.87/24,143.87 = 12,570.01/x
  3. Step 3: Cross multiply
    16,089.87x = 24,143.87 × 12,570.01
  4. Step 4: Simplify right side
    16,089.87x = 303,488,687.34
  5. Step 5: Solve for x
    x = 303,488,687.34/16,089.87
  6. Step 6: Final answer
    x = 18,862.10

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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.