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Finding the Fourth Proportional to 15,842.43, 23,763.63 and 4,155.63

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Solution

The fourth proportional to 15,842.43, 23,763.63 and 4,155.63 is: 6,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.43 : 23,763.63 = 4,155.63 : x
  2. Step 2: Convert to fraction form
    15,842.43/23,763.63 = 4,155.63/x
  3. Step 3: Cross multiply
    15,842.43x = 23,763.63 × 4,155.63
  4. Step 4: Simplify right side
    15,842.43x = 98,752,853.74
  5. Step 5: Solve for x
    x = 98,752,853.74/15,842.43
  6. Step 6: Final answer
    x = 6,233.44

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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.