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Finding the Fourth Proportional to 70,690.99, 105,996.45 and 23,293.23

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Solution

The fourth proportional to 70,690.99, 105,996.45 and 23,293.23 is: 34,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690.99 : 105,996.45 = 23,293.23 : x
  2. Step 2: Convert to fraction form
    70,690.99/105,996.45 = 23,293.23/x
  3. Step 3: Cross multiply
    70,690.99x = 105,996.45 × 23,293.23
  4. Step 4: Simplify right side
    70,690.99x = 2,468,999,042.59
  5. Step 5: Solve for x
    x = 2,468,999,042.59/70,690.99
  6. Step 6: Final answer
    x = 34,926.65

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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.