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Finding the Fourth Proportional to 1,037.04, 1,551.78 and 626.46

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Solution

The fourth proportional to 1,037.04, 1,551.78 and 626.46 is: 937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.04 : 1,551.78 = 626.46 : x
  2. Step 2: Convert to fraction form
    1,037.04/1,551.78 = 626.46/x
  3. Step 3: Cross multiply
    1,037.04x = 1,551.78 × 626.46
  4. Step 4: Simplify right side
    1,037.04x = 972,128.10
  5. Step 5: Solve for x
    x = 972,128.10/1,037.04
  6. Step 6: Final answer
    x = 937.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.