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Finding the Fourth Proportional to 1,059.57, 1,461.42 and 1,013.04

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Solution

The fourth proportional to 1,059.57, 1,461.42 and 1,013.04 is: 1,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.57 : 1,461.42 = 1,013.04 : x
  2. Step 2: Convert to fraction form
    1,059.57/1,461.42 = 1,013.04/x
  3. Step 3: Cross multiply
    1,059.57x = 1,461.42 × 1,013.04
  4. Step 4: Simplify right side
    1,059.57x = 1,480,476.92
  5. Step 5: Solve for x
    x = 1,480,476.92/1,059.57
  6. Step 6: Final answer
    x = 1,397.24

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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.