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Finding the Fourth Proportional to 66,952.20, 100,473.66 and 35,809.32

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Solution

The fourth proportional to 66,952.20, 100,473.66 and 35,809.32 is: 53,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,952.20 : 100,473.66 = 35,809.32 : x
  2. Step 2: Convert to fraction form
    66,952.20/100,473.66 = 35,809.32/x
  3. Step 3: Cross multiply
    66,952.20x = 100,473.66 × 35,809.32
  4. Step 4: Simplify right side
    66,952.20x = 3,597,893,442.51
  5. Step 5: Solve for x
    x = 3,597,893,442.51/66,952.20
  6. Step 6: Final answer
    x = 53,738.24

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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.