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Finding the Fourth Proportional to 43,295.45, 59,748.03 and 25,390.80

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Solution

The fourth proportional to 43,295.45, 59,748.03 and 25,390.80 is: 35,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,295.45 : 59,748.03 = 25,390.80 : x
  2. Step 2: Convert to fraction form
    43,295.45/59,748.03 = 25,390.80/x
  3. Step 3: Cross multiply
    43,295.45x = 59,748.03 × 25,390.80
  4. Step 4: Simplify right side
    43,295.45x = 1,517,050,280.12
  5. Step 5: Solve for x
    x = 1,517,050,280.12/43,295.45
  6. Step 6: Final answer
    x = 35,039.49

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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.