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Finding the Fourth Proportional to 1,150.74, 1,717.74 and 1,004.94

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Solution

The fourth proportional to 1,150.74, 1,717.74 and 1,004.94 is: 1,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.74 : 1,717.74 = 1,004.94 : x
  2. Step 2: Convert to fraction form
    1,150.74/1,717.74 = 1,004.94/x
  3. Step 3: Cross multiply
    1,150.74x = 1,717.74 × 1,004.94
  4. Step 4: Simplify right side
    1,150.74x = 1,726,225.64
  5. Step 5: Solve for x
    x = 1,726,225.64/1,150.74
  6. Step 6: Final answer
    x = 1,500.10

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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.