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Finding the Fourth Proportional to 66,924.72, 92,396.16 and 41,808.24

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Solution

The fourth proportional to 66,924.72, 92,396.16 and 41,808.24 is: 57,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.72 : 92,396.16 = 41,808.24 : x
  2. Step 2: Convert to fraction form
    66,924.72/92,396.16 = 41,808.24/x
  3. Step 3: Cross multiply
    66,924.72x = 92,396.16 × 41,808.24
  4. Step 4: Simplify right side
    66,924.72x = 3,862,920,832.36
  5. Step 5: Solve for x
    x = 3,862,920,832.36/66,924.72
  6. Step 6: Final answer
    x = 57,720.39

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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.