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Finding the Fourth Proportional to 43,472.50, 59,990.90 and 25,568.60

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Solution

The fourth proportional to 43,472.50, 59,990.90 and 25,568.60 is: 35,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472.50 : 59,990.90 = 25,568.60 : x
  2. Step 2: Convert to fraction form
    43,472.50/59,990.90 = 25,568.60/x
  3. Step 3: Cross multiply
    43,472.50x = 59,990.90 × 25,568.60
  4. Step 4: Simplify right side
    43,472.50x = 1,533,883,539.64
  5. Step 5: Solve for x
    x = 1,533,883,539.64/43,472.50
  6. Step 6: Final answer
    x = 35,284.00

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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.