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Finding the Fourth Proportional to 66,968.55, 92,322.10 and 47,843.23

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Solution

The fourth proportional to 66,968.55, 92,322.10 and 47,843.23 is: 65,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968.55 : 92,322.10 = 47,843.23 : x
  2. Step 2: Convert to fraction form
    66,968.55/92,322.10 = 47,843.23/x
  3. Step 3: Cross multiply
    66,968.55x = 92,322.10 × 47,843.23
  4. Step 4: Simplify right side
    66,968.55x = 4,416,987,464.38
  5. Step 5: Solve for x
    x = 4,416,987,464.38/66,968.55
  6. Step 6: Final answer
    x = 65,956.15

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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.