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Finding the Fourth Proportional to 8,503.49, 12,755.48 and 2,347.49

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Solution

The fourth proportional to 8,503.49, 12,755.48 and 2,347.49 is: 3,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.49 : 12,755.48 = 2,347.49 : x
  2. Step 2: Convert to fraction form
    8,503.49/12,755.48 = 2,347.49/x
  3. Step 3: Cross multiply
    8,503.49x = 12,755.48 × 2,347.49
  4. Step 4: Simplify right side
    8,503.49x = 29,943,350.01
  5. Step 5: Solve for x
    x = 29,943,350.01/8,503.49
  6. Step 6: Final answer
    x = 3,521.30

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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.