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Finding the Fourth Proportional to 8,875.71, 13,304.58 and 5,757.70

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Solution

The fourth proportional to 8,875.71, 13,304.58 and 5,757.70 is: 8,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.71 : 13,304.58 = 5,757.70 : x
  2. Step 2: Convert to fraction form
    8,875.71/13,304.58 = 5,757.70/x
  3. Step 3: Cross multiply
    8,875.71x = 13,304.58 × 5,757.70
  4. Step 4: Simplify right side
    8,875.71x = 76,603,751.48
  5. Step 5: Solve for x
    x = 76,603,751.48/8,875.71
  6. Step 6: Final answer
    x = 8,630.72

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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.