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Finding the Fourth Proportional to 8,276.48, 11,424.48 and 5,482.88

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Solution

The fourth proportional to 8,276.48, 11,424.48 and 5,482.88 is: 7,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.48 : 11,424.48 = 5,482.88 : x
  2. Step 2: Convert to fraction form
    8,276.48/11,424.48 = 5,482.88/x
  3. Step 3: Cross multiply
    8,276.48x = 11,424.48 × 5,482.88
  4. Step 4: Simplify right side
    8,276.48x = 62,639,052.90
  5. Step 5: Solve for x
    x = 62,639,052.90/8,276.48
  6. Step 6: Final answer
    x = 7,568.32

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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.