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Finding the Fourth Proportional to 1,063.10, 1,475.36 and 1,037

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Solution

The fourth proportional to 1,063.10, 1,475.36 and 1,037 is: 1,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.10 : 1,475.36 = 1,037 : x
  2. Step 2: Convert to fraction form
    1,063.10/1,475.36 = 1,037/x
  3. Step 3: Cross multiply
    1,063.10x = 1,475.36 × 1,037
  4. Step 4: Simplify right side
    1,063.10x = 1,529,948.32
  5. Step 5: Solve for x
    x = 1,529,948.32/1,063.10
  6. Step 6: Final answer
    x = 1,439.14

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.