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Finding the Fourth Proportional to 7,073.55, 10,581.12 and 6,432.03

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Solution

The fourth proportional to 7,073.55, 10,581.12 and 6,432.03 is: 9,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.55 : 10,581.12 = 6,432.03 : x
  2. Step 2: Convert to fraction form
    7,073.55/10,581.12 = 6,432.03/x
  3. Step 3: Cross multiply
    7,073.55x = 10,581.12 × 6,432.03
  4. Step 4: Simplify right side
    7,073.55x = 68,058,081.27
  5. Step 5: Solve for x
    x = 68,058,081.27/7,073.55
  6. Step 6: Final answer
    x = 9,621.49

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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.