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Finding the Fourth Proportional to 5,167.55, 7,750.59 and 1,703.63

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Solution

The fourth proportional to 5,167.55, 7,750.59 and 1,703.63 is: 2,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.55 : 7,750.59 = 1,703.63 : x
  2. Step 2: Convert to fraction form
    5,167.55/7,750.59 = 1,703.63/x
  3. Step 3: Cross multiply
    5,167.55x = 7,750.59 × 1,703.63
  4. Step 4: Simplify right side
    5,167.55x = 13,204,098.89
  5. Step 5: Solve for x
    x = 13,204,098.89/5,167.55
  6. Step 6: Final answer
    x = 2,555.20

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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.