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Finding the Fourth Proportional to 1,064.07, 1,468.53 and 671.22

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Solution

The fourth proportional to 1,064.07, 1,468.53 and 671.22 is: 926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.07 : 1,468.53 = 671.22 : x
  2. Step 2: Convert to fraction form
    1,064.07/1,468.53 = 671.22/x
  3. Step 3: Cross multiply
    1,064.07x = 1,468.53 × 671.22
  4. Step 4: Simplify right side
    1,064.07x = 985,706.71
  5. Step 5: Solve for x
    x = 985,706.71/1,064.07
  6. Step 6: Final answer
    x = 926.36

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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.