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Finding the Fourth Proportional to 5,576.76, 8,365.12 and 1,681.48

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Solution

The fourth proportional to 5,576.76, 8,365.12 and 1,681.48 is: 2,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.76 : 8,365.12 = 1,681.48 : x
  2. Step 2: Convert to fraction form
    5,576.76/8,365.12 = 1,681.48/x
  3. Step 3: Cross multiply
    5,576.76x = 8,365.12 × 1,681.48
  4. Step 4: Simplify right side
    5,576.76x = 14,065,781.98
  5. Step 5: Solve for x
    x = 14,065,781.98/5,576.76
  6. Step 6: Final answer
    x = 2,522.21

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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.