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Finding the Fourth Proportional to 9,750.60, 14,615.10 and 5,371.20

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Solution

The fourth proportional to 9,750.60, 14,615.10 and 5,371.20 is: 8,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.60 : 14,615.10 = 5,371.20 : x
  2. Step 2: Convert to fraction form
    9,750.60/14,615.10 = 5,371.20/x
  3. Step 3: Cross multiply
    9,750.60x = 14,615.10 × 5,371.20
  4. Step 4: Simplify right side
    9,750.60x = 78,500,625.12
  5. Step 5: Solve for x
    x = 78,500,625.12/9,750.60
  6. Step 6: Final answer
    x = 8,050.85

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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.