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Finding the Fourth Proportional to 22,878.78, 34,332.74 and 9,731.13

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Solution

The fourth proportional to 22,878.78, 34,332.74 and 9,731.13 is: 14,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.78 : 34,332.74 = 9,731.13 : x
  2. Step 2: Convert to fraction form
    22,878.78/34,332.74 = 9,731.13/x
  3. Step 3: Cross multiply
    22,878.78x = 34,332.74 × 9,731.13
  4. Step 4: Simplify right side
    22,878.78x = 334,096,356.20
  5. Step 5: Solve for x
    x = 334,096,356.20/22,878.78
  6. Step 6: Final answer
    x = 14,602.89

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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.