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Finding the Fourth Proportional to 1,037.70, 1,501.42 and 1,037.70

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Solution

The fourth proportional to 1,037.70, 1,501.42 and 1,037.70 is: 1,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.70 : 1,501.42 = 1,037.70 : x
  2. Step 2: Convert to fraction form
    1,037.70/1,501.42 = 1,037.70/x
  3. Step 3: Cross multiply
    1,037.70x = 1,501.42 × 1,037.70
  4. Step 4: Simplify right side
    1,037.70x = 1,558,023.53
  5. Step 5: Solve for x
    x = 1,558,023.53/1,037.70
  6. Step 6: Final answer
    x = 1,501.42

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.