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Finding the Fourth Proportional to 16,691.95, 25,034.73 and 5,005.17

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Solution

The fourth proportional to 16,691.95, 25,034.73 and 5,005.17 is: 7,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.95 : 25,034.73 = 5,005.17 : x
  2. Step 2: Convert to fraction form
    16,691.95/25,034.73 = 5,005.17/x
  3. Step 3: Cross multiply
    16,691.95x = 25,034.73 × 5,005.17
  4. Step 4: Simplify right side
    16,691.95x = 125,303,079.55
  5. Step 5: Solve for x
    x = 125,303,079.55/16,691.95
  6. Step 6: Final answer
    x = 7,506.80

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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.