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Finding the Fourth Proportional to 15,668.80, 23,506.80 and 4,575.22

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Solution

The fourth proportional to 15,668.80, 23,506.80 and 4,575.22 is: 6,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.80 : 23,506.80 = 4,575.22 : x
  2. Step 2: Convert to fraction form
    15,668.80/23,506.80 = 4,575.22/x
  3. Step 3: Cross multiply
    15,668.80x = 23,506.80 × 4,575.22
  4. Step 4: Simplify right side
    15,668.80x = 107,548,781.50
  5. Step 5: Solve for x
    x = 107,548,781.50/15,668.80
  6. Step 6: Final answer
    x = 6,863.88

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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.