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Finding the Fourth Proportional to 15,891.84, 23,837.76 and 5,503.68

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Solution

The fourth proportional to 15,891.84, 23,837.76 and 5,503.68 is: 8,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.84 : 23,837.76 = 5,503.68 : x
  2. Step 2: Convert to fraction form
    15,891.84/23,837.76 = 5,503.68/x
  3. Step 3: Cross multiply
    15,891.84x = 23,837.76 × 5,503.68
  4. Step 4: Simplify right side
    15,891.84x = 131,195,402.96
  5. Step 5: Solve for x
    x = 131,195,402.96/15,891.84
  6. Step 6: Final answer
    x = 8,255.52

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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.