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Finding the Fourth Proportional to 15,308.08, 22,962.07 and 5,447.74

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Solution

The fourth proportional to 15,308.08, 22,962.07 and 5,447.74 is: 8,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.08 : 22,962.07 = 5,447.74 : x
  2. Step 2: Convert to fraction form
    15,308.08/22,962.07 = 5,447.74/x
  3. Step 3: Cross multiply
    15,308.08x = 22,962.07 × 5,447.74
  4. Step 4: Simplify right side
    15,308.08x = 125,091,387.22
  5. Step 5: Solve for x
    x = 125,091,387.22/15,308.08
  6. Step 6: Final answer
    x = 8,171.59

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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.