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Finding the Fourth Proportional to 2,506.59, 3,760.23 and 1,045.40

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Solution

The fourth proportional to 2,506.59, 3,760.23 and 1,045.40 is: 1,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.59 : 3,760.23 = 1,045.40 : x
  2. Step 2: Convert to fraction form
    2,506.59/3,760.23 = 1,045.40/x
  3. Step 3: Cross multiply
    2,506.59x = 3,760.23 × 1,045.40
  4. Step 4: Simplify right side
    2,506.59x = 3,930,951.23
  5. Step 5: Solve for x
    x = 3,930,951.23/2,506.59
  6. Step 6: Final answer
    x = 1,568.25

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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.