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Finding the Fourth Proportional to 24,472.78, 33,774.80 and 13,719.48

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Solution

The fourth proportional to 24,472.78, 33,774.80 and 13,719.48 is: 18,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,472.78 : 33,774.80 = 13,719.48 : x
  2. Step 2: Convert to fraction form
    24,472.78/33,774.80 = 13,719.48/x
  3. Step 3: Cross multiply
    24,472.78x = 33,774.80 × 13,719.48
  4. Step 4: Simplify right side
    24,472.78x = 463,372,693.10
  5. Step 5: Solve for x
    x = 463,372,693.10/24,472.78
  6. Step 6: Final answer
    x = 18,934.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.