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Finding the Fourth Proportional to 8,017.76, 11,046.40 and 5,592.80

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Solution

The fourth proportional to 8,017.76, 11,046.40 and 5,592.80 is: 7,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.76 : 11,046.40 = 5,592.80 : x
  2. Step 2: Convert to fraction form
    8,017.76/11,046.40 = 5,592.80/x
  3. Step 3: Cross multiply
    8,017.76x = 11,046.40 × 5,592.80
  4. Step 4: Simplify right side
    8,017.76x = 61,780,319.55
  5. Step 5: Solve for x
    x = 61,780,319.55/8,017.76
  6. Step 6: Final answer
    x = 7,705.43

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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.