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Finding the Fourth Proportional to 1,037.19, 1,558.05 and 626.52

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Solution

The fourth proportional to 1,037.19, 1,558.05 and 626.52 is: 941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.19 : 1,558.05 = 626.52 : x
  2. Step 2: Convert to fraction form
    1,037.19/1,558.05 = 626.52/x
  3. Step 3: Cross multiply
    1,037.19x = 1,558.05 × 626.52
  4. Step 4: Simplify right side
    1,037.19x = 976,149.49
  5. Step 5: Solve for x
    x = 976,149.49/1,037.19
  6. Step 6: Final answer
    x = 941.15

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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.