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Finding the Fourth Proportional to 16,658.70, 24,985.41 and 4,969.18

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Solution

The fourth proportional to 16,658.70, 24,985.41 and 4,969.18 is: 7,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.70 : 24,985.41 = 4,969.18 : x
  2. Step 2: Convert to fraction form
    16,658.70/24,985.41 = 4,969.18/x
  3. Step 3: Cross multiply
    16,658.70x = 24,985.41 × 4,969.18
  4. Step 4: Simplify right side
    16,658.70x = 124,156,999.66
  5. Step 5: Solve for x
    x = 124,156,999.66/16,658.70
  6. Step 6: Final answer
    x = 7,452.98

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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.