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Finding the Fourth Proportional to 914.76, 1,370.52 and 895.32

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Solution

The fourth proportional to 914.76, 1,370.52 and 895.32 is: 1,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.76 : 1,370.52 = 895.32 : x
  2. Step 2: Convert to fraction form
    914.76/1,370.52 = 895.32/x
  3. Step 3: Cross multiply
    914.76x = 1,370.52 × 895.32
  4. Step 4: Simplify right side
    914.76x = 1,227,053.97
  5. Step 5: Solve for x
    x = 1,227,053.97/914.76
  6. Step 6: Final answer
    x = 1,341.39

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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.