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Finding the Fourth Proportional to 8,363.26, 12,547.00 and 5,902.89

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Solution

The fourth proportional to 8,363.26, 12,547.00 and 5,902.89 is: 8,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.26 : 12,547.00 = 5,902.89 : x
  2. Step 2: Convert to fraction form
    8,363.26/12,547.00 = 5,902.89/x
  3. Step 3: Cross multiply
    8,363.26x = 12,547.00 × 5,902.89
  4. Step 4: Simplify right side
    8,363.26x = 74,063,521.16
  5. Step 5: Solve for x
    x = 74,063,521.16/8,363.26
  6. Step 6: Final answer
    x = 8,855.82

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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.