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Finding the Fourth Proportional to 3,017.55, 4,526.46 and 1,559.55

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Solution

The fourth proportional to 3,017.55, 4,526.46 and 1,559.55 is: 2,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.55 : 4,526.46 = 1,559.55 : x
  2. Step 2: Convert to fraction form
    3,017.55/4,526.46 = 1,559.55/x
  3. Step 3: Cross multiply
    3,017.55x = 4,526.46 × 1,559.55
  4. Step 4: Simplify right side
    3,017.55x = 7,059,240.69
  5. Step 5: Solve for x
    x = 7,059,240.69/3,017.55
  6. Step 6: Final answer
    x = 2,339.39

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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.