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Finding the Fourth Proportional to 43,348.55, 65,009.87 and 22,560.71

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Solution

The fourth proportional to 43,348.55, 65,009.87 and 22,560.71 is: 33,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,348.55 : 65,009.87 = 22,560.71 : x
  2. Step 2: Convert to fraction form
    43,348.55/65,009.87 = 22,560.71/x
  3. Step 3: Cross multiply
    43,348.55x = 65,009.87 × 22,560.71
  4. Step 4: Simplify right side
    43,348.55x = 1,466,668,711.40
  5. Step 5: Solve for x
    x = 1,466,668,711.40/43,348.55
  6. Step 6: Final answer
    x = 33,834.32

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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.