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Finding the Fourth Proportional to 16,591.51, 24,890.87 and 7,712.29

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Solution

The fourth proportional to 16,591.51, 24,890.87 and 7,712.29 is: 11,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.51 : 24,890.87 = 7,712.29 : x
  2. Step 2: Convert to fraction form
    16,591.51/24,890.87 = 7,712.29/x
  3. Step 3: Cross multiply
    16,591.51x = 24,890.87 × 7,712.29
  4. Step 4: Simplify right side
    16,591.51x = 191,965,607.79
  5. Step 5: Solve for x
    x = 191,965,607.79/16,591.51
  6. Step 6: Final answer
    x = 11,570.11

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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.