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Finding the Fourth Proportional to 5,017.89, 7,527.88 and 1,507.76

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Solution

The fourth proportional to 5,017.89, 7,527.88 and 1,507.76 is: 2,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.89 : 7,527.88 = 1,507.76 : x
  2. Step 2: Convert to fraction form
    5,017.89/7,527.88 = 1,507.76/x
  3. Step 3: Cross multiply
    5,017.89x = 7,527.88 × 1,507.76
  4. Step 4: Simplify right side
    5,017.89x = 11,350,198.71
  5. Step 5: Solve for x
    x = 11,350,198.71/5,017.89
  6. Step 6: Final answer
    x = 2,261.95

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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.