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Finding the Fourth Proportional to 5,920.48, 8,880.72 and 2,411.97

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Solution

The fourth proportional to 5,920.48, 8,880.72 and 2,411.97 is: 3,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.48 : 8,880.72 = 2,411.97 : x
  2. Step 2: Convert to fraction form
    5,920.48/8,880.72 = 2,411.97/x
  3. Step 3: Cross multiply
    5,920.48x = 8,880.72 × 2,411.97
  4. Step 4: Simplify right side
    5,920.48x = 21,420,030.22
  5. Step 5: Solve for x
    x = 21,420,030.22/5,920.48
  6. Step 6: Final answer
    x = 3,617.96

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1.5x scale

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.