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Finding the Fourth Proportional to 3,358.47, 5,037.14 and 893.55

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Solution

The fourth proportional to 3,358.47, 5,037.14 and 893.55 is: 1,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.47 : 5,037.14 = 893.55 : x
  2. Step 2: Convert to fraction form
    3,358.47/5,037.14 = 893.55/x
  3. Step 3: Cross multiply
    3,358.47x = 5,037.14 × 893.55
  4. Step 4: Simplify right side
    3,358.47x = 4,500,931.98
  5. Step 5: Solve for x
    x = 4,500,931.98/3,358.47
  6. Step 6: Final answer
    x = 1,340.17

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1.5x scale

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.