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Finding the Fourth Proportional to 8,527.32, 12,799.28 and 5,246.82

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Solution

The fourth proportional to 8,527.32, 12,799.28 and 5,246.82 is: 7,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.32 : 12,799.28 = 5,246.82 : x
  2. Step 2: Convert to fraction form
    8,527.32/12,799.28 = 5,246.82/x
  3. Step 3: Cross multiply
    8,527.32x = 12,799.28 × 5,246.82
  4. Step 4: Simplify right side
    8,527.32x = 67,155,531.41
  5. Step 5: Solve for x
    x = 67,155,531.41/8,527.32
  6. Step 6: Final answer
    x = 7,875.34

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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.