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Finding the Fourth Proportional to 8,960.76, 12,334.02 and 6,566.52

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Solution

The fourth proportional to 8,960.76, 12,334.02 and 6,566.52 is: 9,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.76 : 12,334.02 = 6,566.52 : x
  2. Step 2: Convert to fraction form
    8,960.76/12,334.02 = 6,566.52/x
  3. Step 3: Cross multiply
    8,960.76x = 12,334.02 × 6,566.52
  4. Step 4: Simplify right side
    8,960.76x = 80,991,589.01
  5. Step 5: Solve for x
    x = 80,991,589.01/8,960.76
  6. Step 6: Final answer
    x = 9,038.47

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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.