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Finding the Fourth Proportional to 16,508.81, 24,739.98 and 7,141.62

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Solution

The fourth proportional to 16,508.81, 24,739.98 and 7,141.62 is: 10,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.81 : 24,739.98 = 7,141.62 : x
  2. Step 2: Convert to fraction form
    16,508.81/24,739.98 = 7,141.62/x
  3. Step 3: Cross multiply
    16,508.81x = 24,739.98 × 7,141.62
  4. Step 4: Simplify right side
    16,508.81x = 176,683,502.97
  5. Step 5: Solve for x
    x = 176,683,502.97/16,508.81
  6. Step 6: Final answer
    x = 10,702.38

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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.