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Finding the Fourth Proportional to 7,374.96, 10,177.68 and 4,017.96

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Solution

The fourth proportional to 7,374.96, 10,177.68 and 4,017.96 is: 5,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.96 : 10,177.68 = 4,017.96 : x
  2. Step 2: Convert to fraction form
    7,374.96/10,177.68 = 4,017.96/x
  3. Step 3: Cross multiply
    7,374.96x = 10,177.68 × 4,017.96
  4. Step 4: Simplify right side
    7,374.96x = 40,893,511.13
  5. Step 5: Solve for x
    x = 40,893,511.13/7,374.96
  6. Step 6: Final answer
    x = 5,544.91

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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.