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Finding the Fourth Proportional to 8,503.74, 12,755.85 and 2,347.74

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Solution

The fourth proportional to 8,503.74, 12,755.85 and 2,347.74 is: 3,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.74 : 12,755.85 = 2,347.74 : x
  2. Step 2: Convert to fraction form
    8,503.74/12,755.85 = 2,347.74/x
  3. Step 3: Cross multiply
    8,503.74x = 12,755.85 × 2,347.74
  4. Step 4: Simplify right side
    8,503.74x = 29,947,419.28
  5. Step 5: Solve for x
    x = 29,947,419.28/8,503.74
  6. Step 6: Final answer
    x = 3,521.68

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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.