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Finding the Fourth Proportional to 14,961.78, 22,425.14 and 9,618.14

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Solution

The fourth proportional to 14,961.78, 22,425.14 and 9,618.14 is: 14,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.78 : 22,425.14 = 9,618.14 : x
  2. Step 2: Convert to fraction form
    14,961.78/22,425.14 = 9,618.14/x
  3. Step 3: Cross multiply
    14,961.78x = 22,425.14 × 9,618.14
  4. Step 4: Simplify right side
    14,961.78x = 215,688,136.04
  5. Step 5: Solve for x
    x = 215,688,136.04/14,961.78
  6. Step 6: Final answer
    x = 14,415.94

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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.