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Finding the Fourth Proportional to 1,472.68, 2,032.29 and 800.48

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Solution

The fourth proportional to 1,472.68, 2,032.29 and 800.48 is: 1,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.68 : 2,032.29 = 800.48 : x
  2. Step 2: Convert to fraction form
    1,472.68/2,032.29 = 800.48/x
  3. Step 3: Cross multiply
    1,472.68x = 2,032.29 × 800.48
  4. Step 4: Simplify right side
    1,472.68x = 1,626,803.50
  5. Step 5: Solve for x
    x = 1,626,803.50/1,472.68
  6. Step 6: Final answer
    x = 1,104.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.