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Finding the Fourth Proportional to 1,062.02, 1,465.41 and 589.91

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Solution

The fourth proportional to 1,062.02, 1,465.41 and 589.91 is: 813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.02 : 1,465.41 = 589.91 : x
  2. Step 2: Convert to fraction form
    1,062.02/1,465.41 = 589.91/x
  3. Step 3: Cross multiply
    1,062.02x = 1,465.41 × 589.91
  4. Step 4: Simplify right side
    1,062.02x = 864,454.90
  5. Step 5: Solve for x
    x = 864,454.90/1,062.02
  6. Step 6: Final answer
    x = 813.97

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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.