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Finding the Fourth Proportional to 66,698.36, 100,026.68 and 22,314.72

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Solution

The fourth proportional to 66,698.36, 100,026.68 and 22,314.72 is: 33,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,698.36 : 100,026.68 = 22,314.72 : x
  2. Step 2: Convert to fraction form
    66,698.36/100,026.68 = 22,314.72/x
  3. Step 3: Cross multiply
    66,698.36x = 100,026.68 × 22,314.72
  4. Step 4: Simplify right side
    66,698.36x = 2,232,067,356.73
  5. Step 5: Solve for x
    x = 2,232,067,356.73/66,698.36
  6. Step 6: Final answer
    x = 33,465.10

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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.