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Finding the Fourth Proportional to 69,996.32, 105,014.76 and 22,618.64

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Solution

The fourth proportional to 69,996.32, 105,014.76 and 22,618.64 is: 33,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.32 : 105,014.76 = 22,618.64 : x
  2. Step 2: Convert to fraction form
    69,996.32/105,014.76 = 22,618.64/x
  3. Step 3: Cross multiply
    69,996.32x = 105,014.76 × 22,618.64
  4. Step 4: Simplify right side
    69,996.32x = 2,375,291,051.13
  5. Step 5: Solve for x
    x = 2,375,291,051.13/69,996.32
  6. Step 6: Final answer
    x = 33,934.51

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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.