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Finding the Fourth Proportional to 1,506.71, 2,079.97 and 1,133.83

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Solution

The fourth proportional to 1,506.71, 2,079.97 and 1,133.83 is: 1,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.71 : 2,079.97 = 1,133.83 : x
  2. Step 2: Convert to fraction form
    1,506.71/2,079.97 = 1,133.83/x
  3. Step 3: Cross multiply
    1,506.71x = 2,079.97 × 1,133.83
  4. Step 4: Simplify right side
    1,506.71x = 2,358,332.15
  5. Step 5: Solve for x
    x = 2,358,332.15/1,506.71
  6. Step 6: Final answer
    x = 1,565.22

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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.