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Finding the Fourth Proportional to 8,799.40, 13,152.29 and 6,207.40

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Solution

The fourth proportional to 8,799.40, 13,152.29 and 6,207.40 is: 9,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.40 : 13,152.29 = 6,207.40 : x
  2. Step 2: Convert to fraction form
    8,799.40/13,152.29 = 6,207.40/x
  3. Step 3: Cross multiply
    8,799.40x = 13,152.29 × 6,207.40
  4. Step 4: Simplify right side
    8,799.40x = 81,641,524.95
  5. Step 5: Solve for x
    x = 81,641,524.95/8,799.40
  6. Step 6: Final answer
    x = 9,278.08

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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.