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Finding the Fourth Proportional to 9,422.76, 14,065.30 and 8,737.52

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Solution

The fourth proportional to 9,422.76, 14,065.30 and 8,737.52 is: 13,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.76 : 14,065.30 = 8,737.52 : x
  2. Step 2: Convert to fraction form
    9,422.76/14,065.30 = 8,737.52/x
  3. Step 3: Cross multiply
    9,422.76x = 14,065.30 × 8,737.52
  4. Step 4: Simplify right side
    9,422.76x = 122,895,840.06
  5. Step 5: Solve for x
    x = 122,895,840.06/9,422.76
  6. Step 6: Final answer
    x = 13,042.45

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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.