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Finding the Fourth Proportional to 70,296.19, 105,422.20 and 23,538.13

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Solution

The fourth proportional to 70,296.19, 105,422.20 and 23,538.13 is: 35,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.19 : 105,422.20 = 23,538.13 : x
  2. Step 2: Convert to fraction form
    70,296.19/105,422.20 = 23,538.13/x
  3. Step 3: Cross multiply
    70,296.19x = 105,422.20 × 23,538.13
  4. Step 4: Simplify right side
    70,296.19x = 2,481,441,448.49
  5. Step 5: Solve for x
    x = 2,481,441,448.49/70,296.19
  6. Step 6: Final answer
    x = 35,299.80

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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.