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Finding the Fourth Proportional to 8,755.47, 13,113.90 and 7,237.24

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Solution

The fourth proportional to 8,755.47, 13,113.90 and 7,237.24 is: 10,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.47 : 13,113.90 = 7,237.24 : x
  2. Step 2: Convert to fraction form
    8,755.47/13,113.90 = 7,237.24/x
  3. Step 3: Cross multiply
    8,755.47x = 13,113.90 × 7,237.24
  4. Step 4: Simplify right side
    8,755.47x = 94,908,408.85
  5. Step 5: Solve for x
    x = 94,908,408.85/8,755.47
  6. Step 6: Final answer
    x = 10,839.90

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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.