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Finding the Fourth Proportional to 1,358.53, 2,050.57 and 1,358.53

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Solution

The fourth proportional to 1,358.53, 2,050.57 and 1,358.53 is: 2,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.53 : 2,050.57 = 1,358.53 : x
  2. Step 2: Convert to fraction form
    1,358.53/2,050.57 = 1,358.53/x
  3. Step 3: Cross multiply
    1,358.53x = 2,050.57 × 1,358.53
  4. Step 4: Simplify right side
    1,358.53x = 2,785,760.86
  5. Step 5: Solve for x
    x = 2,785,760.86/1,358.53
  6. Step 6: Final answer
    x = 2,050.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.