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Finding the Fourth Proportional to 66,719.66, 100,086.98 and 22,349.48

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Solution

The fourth proportional to 66,719.66, 100,086.98 and 22,349.48 is: 33,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,719.66 : 100,086.98 = 22,349.48 : x
  2. Step 2: Convert to fraction form
    66,719.66/100,086.98 = 22,349.48/x
  3. Step 3: Cross multiply
    66,719.66x = 100,086.98 × 22,349.48
  4. Step 4: Simplify right side
    66,719.66x = 2,236,891,345.59
  5. Step 5: Solve for x
    x = 2,236,891,345.59/66,719.66
  6. Step 6: Final answer
    x = 33,526.72

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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.