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Finding the Fourth Proportional to 66,343.58, 91,554.18 and 36,535.58

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Solution

The fourth proportional to 66,343.58, 91,554.18 and 36,535.58 is: 50,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,343.58 : 91,554.18 = 36,535.58 : x
  2. Step 2: Convert to fraction form
    66,343.58/91,554.18 = 36,535.58/x
  3. Step 3: Cross multiply
    66,343.58x = 91,554.18 × 36,535.58
  4. Step 4: Simplify right side
    66,343.58x = 3,344,985,067.72
  5. Step 5: Solve for x
    x = 3,344,985,067.72/66,343.58
  6. Step 6: Final answer
    x = 50,419.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.