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Finding the Fourth Proportional to 43,305.89, 64,978.88 and 23,560.92

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Solution

The fourth proportional to 43,305.89, 64,978.88 and 23,560.92 is: 35,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.89 : 64,978.88 = 23,560.92 : x
  2. Step 2: Convert to fraction form
    43,305.89/64,978.88 = 23,560.92/x
  3. Step 3: Cross multiply
    43,305.89x = 64,978.88 × 23,560.92
  4. Step 4: Simplify right side
    43,305.89x = 1,530,962,075.57
  5. Step 5: Solve for x
    x = 1,530,962,075.57/43,305.89
  6. Step 6: Final answer
    x = 35,352.29

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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.