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Finding the Fourth Proportional to 22,959.96, 34,453.08 and 12,430.20

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Solution

The fourth proportional to 22,959.96, 34,453.08 and 12,430.20 is: 18,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.96 : 34,453.08 = 12,430.20 : x
  2. Step 2: Convert to fraction form
    22,959.96/34,453.08 = 12,430.20/x
  3. Step 3: Cross multiply
    22,959.96x = 34,453.08 × 12,430.20
  4. Step 4: Simplify right side
    22,959.96x = 428,258,675.02
  5. Step 5: Solve for x
    x = 428,258,675.02/22,959.96
  6. Step 6: Final answer
    x = 18,652.41

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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.