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Finding the Fourth Proportional to 8,262.04, 11,407.54 and 5,079.61

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Solution

The fourth proportional to 8,262.04, 11,407.54 and 5,079.61 is: 7,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.04 : 11,407.54 = 5,079.61 : x
  2. Step 2: Convert to fraction form
    8,262.04/11,407.54 = 5,079.61/x
  3. Step 3: Cross multiply
    8,262.04x = 11,407.54 × 5,079.61
  4. Step 4: Simplify right side
    8,262.04x = 57,945,854.26
  5. Step 5: Solve for x
    x = 57,945,854.26/8,262.04
  6. Step 6: Final answer
    x = 7,013.50

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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.