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Finding the Fourth Proportional to 1,475.50, 2,207.76 and 925.12

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Solution

The fourth proportional to 1,475.50, 2,207.76 and 925.12 is: 1,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.50 : 2,207.76 = 925.12 : x
  2. Step 2: Convert to fraction form
    1,475.50/2,207.76 = 925.12/x
  3. Step 3: Cross multiply
    1,475.50x = 2,207.76 × 925.12
  4. Step 4: Simplify right side
    1,475.50x = 2,042,442.93
  5. Step 5: Solve for x
    x = 2,042,442.93/1,475.50
  6. Step 6: Final answer
    x = 1,384.24

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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.