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Finding the Fourth Proportional to 15,480.58, 23,230.08 and 5,620.63

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Solution

The fourth proportional to 15,480.58, 23,230.08 and 5,620.63 is: 8,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.58 : 23,230.08 = 5,620.63 : x
  2. Step 2: Convert to fraction form
    15,480.58/23,230.08 = 5,620.63/x
  3. Step 3: Cross multiply
    15,480.58x = 23,230.08 × 5,620.63
  4. Step 4: Simplify right side
    15,480.58x = 130,567,684.55
  5. Step 5: Solve for x
    x = 130,567,684.55/15,480.58
  6. Step 6: Final answer
    x = 8,434.29

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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.