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Finding the Fourth Proportional to 1,043.14, 1,432 and 895.52

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Solution

The fourth proportional to 1,043.14, 1,432 and 895.52 is: 1,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.14 : 1,432 = 895.52 : x
  2. Step 2: Convert to fraction form
    1,043.14/1,432 = 895.52/x
  3. Step 3: Cross multiply
    1,043.14x = 1,432 × 895.52
  4. Step 4: Simplify right side
    1,043.14x = 1,282,384.64
  5. Step 5: Solve for x
    x = 1,282,384.64/1,043.14
  6. Step 6: Final answer
    x = 1,229.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.