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Finding the Fourth Proportional to 9,925.32, 14,887.80 and 8,375.28

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Solution

The fourth proportional to 9,925.32, 14,887.80 and 8,375.28 is: 12,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.32 : 14,887.80 = 8,375.28 : x
  2. Step 2: Convert to fraction form
    9,925.32/14,887.80 = 8,375.28/x
  3. Step 3: Cross multiply
    9,925.32x = 14,887.80 × 8,375.28
  4. Step 4: Simplify right side
    9,925.32x = 124,689,493.58
  5. Step 5: Solve for x
    x = 124,689,493.58/9,925.32
  6. Step 6: Final answer
    x = 12,562.77

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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.