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Finding the Fourth Proportional to 16,531.13, 22,813.47 and 9,360.93

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Solution

The fourth proportional to 16,531.13, 22,813.47 and 9,360.93 is: 12,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.13 : 22,813.47 = 9,360.93 : x
  2. Step 2: Convert to fraction form
    16,531.13/22,813.47 = 9,360.93/x
  3. Step 3: Cross multiply
    16,531.13x = 22,813.47 × 9,360.93
  4. Step 4: Simplify right side
    16,531.13x = 213,555,295.73
  5. Step 5: Solve for x
    x = 213,555,295.73/16,531.13
  6. Step 6: Final answer
    x = 12,918.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.