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Finding the Fourth Proportional to 9,375.60, 12,929.04 and 6,017.88

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Solution

The fourth proportional to 9,375.60, 12,929.04 and 6,017.88 is: 8,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.60 : 12,929.04 = 6,017.88 : x
  2. Step 2: Convert to fraction form
    9,375.60/12,929.04 = 6,017.88/x
  3. Step 3: Cross multiply
    9,375.60x = 12,929.04 × 6,017.88
  4. Step 4: Simplify right side
    9,375.60x = 77,805,411.24
  5. Step 5: Solve for x
    x = 77,805,411.24/9,375.60
  6. Step 6: Final answer
    x = 8,298.71

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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.