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Finding the Fourth Proportional to 70,034.25, 105,052.29 and 23,287.13

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Solution

The fourth proportional to 70,034.25, 105,052.29 and 23,287.13 is: 34,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.25 : 105,052.29 = 23,287.13 : x
  2. Step 2: Convert to fraction form
    70,034.25/105,052.29 = 23,287.13/x
  3. Step 3: Cross multiply
    70,034.25x = 105,052.29 × 23,287.13
  4. Step 4: Simplify right side
    70,034.25x = 2,446,365,808.77
  5. Step 5: Solve for x
    x = 2,446,365,808.77/70,034.25
  6. Step 6: Final answer
    x = 34,930.99

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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.