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Finding the Fourth Proportional to 16,442.56, 24,663.68 and 4,755.68

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Solution

The fourth proportional to 16,442.56, 24,663.68 and 4,755.68 is: 7,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.56 : 24,663.68 = 4,755.68 : x
  2. Step 2: Convert to fraction form
    16,442.56/24,663.68 = 4,755.68/x
  3. Step 3: Cross multiply
    16,442.56x = 24,663.68 × 4,755.68
  4. Step 4: Simplify right side
    16,442.56x = 117,292,569.70
  5. Step 5: Solve for x
    x = 117,292,569.70/16,442.56
  6. Step 6: Final answer
    x = 7,133.47

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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.