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Finding the Fourth Proportional to 1,037.23, 1,555.86 and 1,035.71

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Solution

The fourth proportional to 1,037.23, 1,555.86 and 1,035.71 is: 1,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.23 : 1,555.86 = 1,035.71 : x
  2. Step 2: Convert to fraction form
    1,037.23/1,555.86 = 1,035.71/x
  3. Step 3: Cross multiply
    1,037.23x = 1,555.86 × 1,035.71
  4. Step 4: Simplify right side
    1,037.23x = 1,611,419.76
  5. Step 5: Solve for x
    x = 1,611,419.76/1,037.23
  6. Step 6: Final answer
    x = 1,553.58

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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.