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Finding the Fourth Proportional to 7,507.68, 11,258.72 and 2,575.92

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Solution

The fourth proportional to 7,507.68, 11,258.72 and 2,575.92 is: 3,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.68 : 11,258.72 = 2,575.92 : x
  2. Step 2: Convert to fraction form
    7,507.68/11,258.72 = 2,575.92/x
  3. Step 3: Cross multiply
    7,507.68x = 11,258.72 × 2,575.92
  4. Step 4: Simplify right side
    7,507.68x = 29,001,562.02
  5. Step 5: Solve for x
    x = 29,001,562.02/7,507.68
  6. Step 6: Final answer
    x = 3,862.92

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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.