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Finding the Fourth Proportional to 14,951.88, 22,441.65 and 7,561.53

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Solution

The fourth proportional to 14,951.88, 22,441.65 and 7,561.53 is: 11,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.88 : 22,441.65 = 7,561.53 : x
  2. Step 2: Convert to fraction form
    14,951.88/22,441.65 = 7,561.53/x
  3. Step 3: Cross multiply
    14,951.88x = 22,441.65 × 7,561.53
  4. Step 4: Simplify right side
    14,951.88x = 169,693,209.72
  5. Step 5: Solve for x
    x = 169,693,209.72/14,951.88
  6. Step 6: Final answer
    x = 11,349.29

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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.