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Finding the Fourth Proportional to 8,903.73, 13,360.24 and 6,458.73

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Solution

The fourth proportional to 8,903.73, 13,360.24 and 6,458.73 is: 9,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.73 : 13,360.24 = 6,458.73 : x
  2. Step 2: Convert to fraction form
    8,903.73/13,360.24 = 6,458.73/x
  3. Step 3: Cross multiply
    8,903.73x = 13,360.24 × 6,458.73
  4. Step 4: Simplify right side
    8,903.73x = 86,290,166.75
  5. Step 5: Solve for x
    x = 86,290,166.75/8,903.73
  6. Step 6: Final answer
    x = 9,691.46

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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.