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Finding the Fourth Proportional to 8,680.32, 13,041.48 and 5,566.32

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Solution

The fourth proportional to 8,680.32, 13,041.48 and 5,566.32 is: 8,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.32 : 13,041.48 = 5,566.32 : x
  2. Step 2: Convert to fraction form
    8,680.32/13,041.48 = 5,566.32/x
  3. Step 3: Cross multiply
    8,680.32x = 13,041.48 × 5,566.32
  4. Step 4: Simplify right side
    8,680.32x = 72,593,050.95
  5. Step 5: Solve for x
    x = 72,593,050.95/8,680.32
  6. Step 6: Final answer
    x = 8,362.95

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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.