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Finding the Fourth Proportional to 1,359, 2,037.12 and 536.14

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Solution

The fourth proportional to 1,359, 2,037.12 and 536.14 is: 803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359 : 2,037.12 = 536.14 : x
  2. Step 2: Convert to fraction form
    1,359/2,037.12 = 536.14/x
  3. Step 3: Cross multiply
    1,359x = 2,037.12 × 536.14
  4. Step 4: Simplify right side
    1,359x = 1,092,181.52
  5. Step 5: Solve for x
    x = 1,092,181.52/1,359
  6. Step 6: Final answer
    x = 803.67

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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.