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Finding the Fourth Proportional to 43,491.60, 60,008.40 and 25,579.80

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Solution

The fourth proportional to 43,491.60, 60,008.40 and 25,579.80 is: 35,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.60 : 60,008.40 = 25,579.80 : x
  2. Step 2: Convert to fraction form
    43,491.60/60,008.40 = 25,579.80/x
  3. Step 3: Cross multiply
    43,491.60x = 60,008.40 × 25,579.80
  4. Step 4: Simplify right side
    43,491.60x = 1,535,002,870.32
  5. Step 5: Solve for x
    x = 1,535,002,870.32/43,491.60
  6. Step 6: Final answer
    x = 35,294.24

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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.