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Finding the Fourth Proportional to 7,515.52, 10,372.06 and 4,371.50

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Solution

The fourth proportional to 7,515.52, 10,372.06 and 4,371.50 is: 6,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.52 : 10,372.06 = 4,371.50 : x
  2. Step 2: Convert to fraction form
    7,515.52/10,372.06 = 4,371.50/x
  3. Step 3: Cross multiply
    7,515.52x = 10,372.06 × 4,371.50
  4. Step 4: Simplify right side
    7,515.52x = 45,341,460.29
  5. Step 5: Solve for x
    x = 45,341,460.29/7,515.52
  6. Step 6: Final answer
    x = 6,033.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.