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Finding the Fourth Proportional to 23,862.60, 35,793.90 and 20,579.40

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Solution

The fourth proportional to 23,862.60, 35,793.90 and 20,579.40 is: 30,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,862.60 : 35,793.90 = 20,579.40 : x
  2. Step 2: Convert to fraction form
    23,862.60/35,793.90 = 20,579.40/x
  3. Step 3: Cross multiply
    23,862.60x = 35,793.90 × 20,579.40
  4. Step 4: Simplify right side
    23,862.60x = 736,616,985.66
  5. Step 5: Solve for x
    x = 736,616,985.66/23,862.60
  6. Step 6: Final answer
    x = 30,869.10

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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.