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Finding the Fourth Proportional to 4,880.52, 7,321.80 and 1,593.72

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Solution

The fourth proportional to 4,880.52, 7,321.80 and 1,593.72 is: 2,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.52 : 7,321.80 = 1,593.72 : x
  2. Step 2: Convert to fraction form
    4,880.52/7,321.80 = 1,593.72/x
  3. Step 3: Cross multiply
    4,880.52x = 7,321.80 × 1,593.72
  4. Step 4: Simplify right side
    4,880.52x = 11,668,899.10
  5. Step 5: Solve for x
    x = 11,668,899.10/4,880.52
  6. Step 6: Final answer
    x = 2,390.91

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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.