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Finding the Fourth Proportional to 1,044.10, 1,560.02 and 1,007.77

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Solution

The fourth proportional to 1,044.10, 1,560.02 and 1,007.77 is: 1,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.10 : 1,560.02 = 1,007.77 : x
  2. Step 2: Convert to fraction form
    1,044.10/1,560.02 = 1,007.77/x
  3. Step 3: Cross multiply
    1,044.10x = 1,560.02 × 1,007.77
  4. Step 4: Simplify right side
    1,044.10x = 1,572,141.36
  5. Step 5: Solve for x
    x = 1,572,141.36/1,044.10
  6. Step 6: Final answer
    x = 1,505.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.