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Finding the Fourth Proportional to 3,360.84, 5,040.92 and 895.91

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Solution

The fourth proportional to 3,360.84, 5,040.92 and 895.91 is: 1,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.84 : 5,040.92 = 895.91 : x
  2. Step 2: Convert to fraction form
    3,360.84/5,040.92 = 895.91/x
  3. Step 3: Cross multiply
    3,360.84x = 5,040.92 × 895.91
  4. Step 4: Simplify right side
    3,360.84x = 4,516,214.77
  5. Step 5: Solve for x
    x = 4,516,214.77/3,360.84
  6. Step 6: Final answer
    x = 1,343.77

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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.