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Finding the Fourth Proportional to 8,675.83, 11,974.53 and 5,488.93

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Solution

The fourth proportional to 8,675.83, 11,974.53 and 5,488.93 is: 7,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.83 : 11,974.53 = 5,488.93 : x
  2. Step 2: Convert to fraction form
    8,675.83/11,974.53 = 5,488.93/x
  3. Step 3: Cross multiply
    8,675.83x = 11,974.53 × 5,488.93
  4. Step 4: Simplify right side
    8,675.83x = 65,727,356.95
  5. Step 5: Solve for x
    x = 65,727,356.95/8,675.83
  6. Step 6: Final answer
    x = 7,575.92

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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.