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Finding the Fourth Proportional to 8,357.73, 12,541.77 and 7,579.14

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Solution

The fourth proportional to 8,357.73, 12,541.77 and 7,579.14 is: 11,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.73 : 12,541.77 = 7,579.14 : x
  2. Step 2: Convert to fraction form
    8,357.73/12,541.77 = 7,579.14/x
  3. Step 3: Cross multiply
    8,357.73x = 12,541.77 × 7,579.14
  4. Step 4: Simplify right side
    8,357.73x = 95,055,830.68
  5. Step 5: Solve for x
    x = 95,055,830.68/8,357.73
  6. Step 6: Final answer
    x = 11,373.40

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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.