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Finding the Fourth Proportional to 1,063.20, 1,466.76 and 732.06

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Solution

The fourth proportional to 1,063.20, 1,466.76 and 732.06 is: 1,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.20 : 1,466.76 = 732.06 : x
  2. Step 2: Convert to fraction form
    1,063.20/1,466.76 = 732.06/x
  3. Step 3: Cross multiply
    1,063.20x = 1,466.76 × 732.06
  4. Step 4: Simplify right side
    1,063.20x = 1,073,756.33
  5. Step 5: Solve for x
    x = 1,073,756.33/1,063.20
  6. Step 6: Final answer
    x = 1,009.93

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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.