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Finding the Fourth Proportional to 15,646.32, 23,469.48 and 9,488.88

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Solution

The fourth proportional to 15,646.32, 23,469.48 and 9,488.88 is: 14,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.32 : 23,469.48 = 9,488.88 : x
  2. Step 2: Convert to fraction form
    15,646.32/23,469.48 = 9,488.88/x
  3. Step 3: Cross multiply
    15,646.32x = 23,469.48 × 9,488.88
  4. Step 4: Simplify right side
    15,646.32x = 222,699,079.38
  5. Step 5: Solve for x
    x = 222,699,079.38/15,646.32
  6. Step 6: Final answer
    x = 14,233.32

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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.