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Finding the Fourth Proportional to 15,259.38, 22,879.86 and 7,357.02

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Solution

The fourth proportional to 15,259.38, 22,879.86 and 7,357.02 is: 11,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.38 : 22,879.86 = 7,357.02 : x
  2. Step 2: Convert to fraction form
    15,259.38/22,879.86 = 7,357.02/x
  3. Step 3: Cross multiply
    15,259.38x = 22,879.86 × 7,357.02
  4. Step 4: Simplify right side
    15,259.38x = 168,327,587.62
  5. Step 5: Solve for x
    x = 168,327,587.62/15,259.38
  6. Step 6: Final answer
    x = 11,031.09

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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.