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Finding the Fourth Proportional to 1,472, 2,206.51 and 924.57

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Solution

The fourth proportional to 1,472, 2,206.51 and 924.57 is: 1,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472 : 2,206.51 = 924.57 : x
  2. Step 2: Convert to fraction form
    1,472/2,206.51 = 924.57/x
  3. Step 3: Cross multiply
    1,472x = 2,206.51 × 924.57
  4. Step 4: Simplify right side
    1,472x = 2,040,072.95
  5. Step 5: Solve for x
    x = 2,040,072.95/1,472
  6. Step 6: Final answer
    x = 1,385.92

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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.