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Finding the Fourth Proportional to 16,658.78, 24,988.37 and 9,310.05

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Solution

The fourth proportional to 16,658.78, 24,988.37 and 9,310.05 is: 13,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.78 : 24,988.37 = 9,310.05 : x
  2. Step 2: Convert to fraction form
    16,658.78/24,988.37 = 9,310.05/x
  3. Step 3: Cross multiply
    16,658.78x = 24,988.37 × 9,310.05
  4. Step 4: Simplify right side
    16,658.78x = 232,642,927.57
  5. Step 5: Solve for x
    x = 232,642,927.57/16,658.78
  6. Step 6: Final answer
    x = 13,965.19

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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.