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Finding the Fourth Proportional to 1,301.76, 1,798.47 and 1,023.57

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Solution

The fourth proportional to 1,301.76, 1,798.47 and 1,023.57 is: 1,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.76 : 1,798.47 = 1,023.57 : x
  2. Step 2: Convert to fraction form
    1,301.76/1,798.47 = 1,023.57/x
  3. Step 3: Cross multiply
    1,301.76x = 1,798.47 × 1,023.57
  4. Step 4: Simplify right side
    1,301.76x = 1,840,859.94
  5. Step 5: Solve for x
    x = 1,840,859.94/1,301.76
  6. Step 6: Final answer
    x = 1,414.13

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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.