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Finding the Fourth Proportional to 8,733.18, 13,001.02 and 8,681.30

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Solution

The fourth proportional to 8,733.18, 13,001.02 and 8,681.30 is: 12,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.18 : 13,001.02 = 8,681.30 : x
  2. Step 2: Convert to fraction form
    8,733.18/13,001.02 = 8,681.30/x
  3. Step 3: Cross multiply
    8,733.18x = 13,001.02 × 8,681.30
  4. Step 4: Simplify right side
    8,733.18x = 112,865,754.93
  5. Step 5: Solve for x
    x = 112,865,754.93/8,733.18
  6. Step 6: Final answer
    x = 12,923.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.