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Finding the Fourth Proportional to 1,064.57, 1,588.17 and 1,037.39

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Solution

The fourth proportional to 1,064.57, 1,588.17 and 1,037.39 is: 1,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.57 : 1,588.17 = 1,037.39 : x
  2. Step 2: Convert to fraction form
    1,064.57/1,588.17 = 1,037.39/x
  3. Step 3: Cross multiply
    1,064.57x = 1,588.17 × 1,037.39
  4. Step 4: Simplify right side
    1,064.57x = 1,647,543.74
  5. Step 5: Solve for x
    x = 1,647,543.74/1,064.57
  6. Step 6: Final answer
    x = 1,547.62

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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.