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Finding the Fourth Proportional to 39,491.40, 59,150.70 and 23,881.80

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Solution

The fourth proportional to 39,491.40, 59,150.70 and 23,881.80 is: 35,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.40 : 59,150.70 = 23,881.80 : x
  2. Step 2: Convert to fraction form
    39,491.40/59,150.70 = 23,881.80/x
  3. Step 3: Cross multiply
    39,491.40x = 59,150.70 × 23,881.80
  4. Step 4: Simplify right side
    39,491.40x = 1,412,625,187.26
  5. Step 5: Solve for x
    x = 1,412,625,187.26/39,491.40
  6. Step 6: Final answer
    x = 35,770.45

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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.