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Finding the Fourth Proportional to 1,062.80, 1,466.84 and 670.04

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Solution

The fourth proportional to 1,062.80, 1,466.84 and 670.04 is: 924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.80 : 1,466.84 = 670.04 : x
  2. Step 2: Convert to fraction form
    1,062.80/1,466.84 = 670.04/x
  3. Step 3: Cross multiply
    1,062.80x = 1,466.84 × 670.04
  4. Step 4: Simplify right side
    1,062.80x = 982,841.47
  5. Step 5: Solve for x
    x = 982,841.47/1,062.80
  6. Step 6: Final answer
    x = 924.77

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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.