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Finding the Fourth Proportional to 1,062.16, 1,466.46 and 730.48

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Solution

The fourth proportional to 1,062.16, 1,466.46 and 730.48 is: 1,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.16 : 1,466.46 = 730.48 : x
  2. Step 2: Convert to fraction form
    1,062.16/1,466.46 = 730.48/x
  3. Step 3: Cross multiply
    1,062.16x = 1,466.46 × 730.48
  4. Step 4: Simplify right side
    1,062.16x = 1,071,219.70
  5. Step 5: Solve for x
    x = 1,071,219.70/1,062.16
  6. Step 6: Final answer
    x = 1,008.53

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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.