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Finding the Fourth Proportional to 66,845.66, 100,268.48 and 22,460.49

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Solution

The fourth proportional to 66,845.66, 100,268.48 and 22,460.49 is: 33,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845.66 : 100,268.48 = 22,460.49 : x
  2. Step 2: Convert to fraction form
    66,845.66/100,268.48 = 22,460.49/x
  3. Step 3: Cross multiply
    66,845.66x = 100,268.48 × 22,460.49
  4. Step 4: Simplify right side
    66,845.66x = 2,252,079,248.51
  5. Step 5: Solve for x
    x = 2,252,079,248.51/66,845.66
  6. Step 6: Final answer
    x = 33,690.74

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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.