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Finding the Fourth Proportional to 895.92, 1,337.22 and 772.02

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Solution

The fourth proportional to 895.92, 1,337.22 and 772.02 is: 1,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.92 : 1,337.22 = 772.02 : x
  2. Step 2: Convert to fraction form
    895.92/1,337.22 = 772.02/x
  3. Step 3: Cross multiply
    895.92x = 1,337.22 × 772.02
  4. Step 4: Simplify right side
    895.92x = 1,032,360.58
  5. Step 5: Solve for x
    x = 1,032,360.58/895.92
  6. Step 6: Final answer
    x = 1,152.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.