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Finding the Fourth Proportional to 2,312.57, 3,466.33 and 925.52

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Solution

The fourth proportional to 2,312.57, 3,466.33 and 925.52 is: 1,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.57 : 3,466.33 = 925.52 : x
  2. Step 2: Convert to fraction form
    2,312.57/3,466.33 = 925.52/x
  3. Step 3: Cross multiply
    2,312.57x = 3,466.33 × 925.52
  4. Step 4: Simplify right side
    2,312.57x = 3,208,138.10
  5. Step 5: Solve for x
    x = 3,208,138.10/2,312.57
  6. Step 6: Final answer
    x = 1,387.26

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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.