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Finding the Fourth Proportional to 15,668.88, 23,486.72 and 7,341.88

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Solution

The fourth proportional to 15,668.88, 23,486.72 and 7,341.88 is: 11,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.88 : 23,486.72 = 7,341.88 : x
  2. Step 2: Convert to fraction form
    15,668.88/23,486.72 = 7,341.88/x
  3. Step 3: Cross multiply
    15,668.88x = 23,486.72 × 7,341.88
  4. Step 4: Simplify right side
    15,668.88x = 172,436,679.83
  5. Step 5: Solve for x
    x = 172,436,679.83/15,668.88
  6. Step 6: Final answer
    x = 11,005.04

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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.