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Finding the Fourth Proportional to 1,064.02, 1,468.17 and 671.59

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Solution

The fourth proportional to 1,064.02, 1,468.17 and 671.59 is: 926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.02 : 1,468.17 = 671.59 : x
  2. Step 2: Convert to fraction form
    1,064.02/1,468.17 = 671.59/x
  3. Step 3: Cross multiply
    1,064.02x = 1,468.17 × 671.59
  4. Step 4: Simplify right side
    1,064.02x = 986,008.29
  5. Step 5: Solve for x
    x = 986,008.29/1,064.02
  6. Step 6: Final answer
    x = 926.68

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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.