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Finding the Fourth Proportional to 44,019.20, 65,931.60 and 23,218.40

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Solution

The fourth proportional to 44,019.20, 65,931.60 and 23,218.40 is: 34,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,019.20 : 65,931.60 = 23,218.40 : x
  2. Step 2: Convert to fraction form
    44,019.20/65,931.60 = 23,218.40/x
  3. Step 3: Cross multiply
    44,019.20x = 65,931.60 × 23,218.40
  4. Step 4: Simplify right side
    44,019.20x = 1,530,826,261.44
  5. Step 5: Solve for x
    x = 1,530,826,261.44/44,019.20
  6. Step 6: Final answer
    x = 34,776.33

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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.