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Finding the Fourth Proportional to 43,778.97, 60,400.96 and 25,880.00

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Solution

The fourth proportional to 43,778.97, 60,400.96 and 25,880.00 is: 35,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778.97 : 60,400.96 = 25,880.00 : x
  2. Step 2: Convert to fraction form
    43,778.97/60,400.96 = 25,880.00/x
  3. Step 3: Cross multiply
    43,778.97x = 60,400.96 × 25,880.00
  4. Step 4: Simplify right side
    43,778.97x = 1,563,176,478.10
  5. Step 5: Solve for x
    x = 1,563,176,478.10/43,778.97
  6. Step 6: Final answer
    x = 35,706.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.