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Finding the Fourth Proportional to 43,285.87, 64,928.85 and 23,602.87

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Solution

The fourth proportional to 43,285.87, 64,928.85 and 23,602.87 is: 35,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.87 : 64,928.85 = 23,602.87 : x
  2. Step 2: Convert to fraction form
    43,285.87/64,928.85 = 23,602.87/x
  3. Step 3: Cross multiply
    43,285.87x = 64,928.85 × 23,602.87
  4. Step 4: Simplify right side
    43,285.87x = 1,532,507,205.80
  5. Step 5: Solve for x
    x = 1,532,507,205.80/43,285.87
  6. Step 6: Final answer
    x = 35,404.33

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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.