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Finding the Fourth Proportional to 5,880.83, 8,821.41 and 1,720.39

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Solution

The fourth proportional to 5,880.83, 8,821.41 and 1,720.39 is: 2,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.83 : 8,821.41 = 1,720.39 : x
  2. Step 2: Convert to fraction form
    5,880.83/8,821.41 = 1,720.39/x
  3. Step 3: Cross multiply
    5,880.83x = 8,821.41 × 1,720.39
  4. Step 4: Simplify right side
    5,880.83x = 15,176,253.59
  5. Step 5: Solve for x
    x = 15,176,253.59/5,880.83
  6. Step 6: Final answer
    x = 2,580.63

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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.