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Finding the Fourth Proportional to 32,378.88, 48,583.68 and 19,257.12

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Solution

The fourth proportional to 32,378.88, 48,583.68 and 19,257.12 is: 28,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,378.88 : 48,583.68 = 19,257.12 : x
  2. Step 2: Convert to fraction form
    32,378.88/48,583.68 = 19,257.12/x
  3. Step 3: Cross multiply
    32,378.88x = 48,583.68 × 19,257.12
  4. Step 4: Simplify right side
    32,378.88x = 935,581,755.80
  5. Step 5: Solve for x
    x = 935,581,755.80/32,378.88
  6. Step 6: Final answer
    x = 28,894.82

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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.