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Finding the Fourth Proportional to 69,656.50, 96,191.58 and 48,493.64

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Solution

The fourth proportional to 69,656.50, 96,191.58 and 48,493.64 is: 66,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,656.50 : 96,191.58 = 48,493.64 : x
  2. Step 2: Convert to fraction form
    69,656.50/96,191.58 = 48,493.64/x
  3. Step 3: Cross multiply
    69,656.50x = 96,191.58 × 48,493.64
  4. Step 4: Simplify right side
    69,656.50x = 4,664,679,851.55
  5. Step 5: Solve for x
    x = 4,664,679,851.55/69,656.50
  6. Step 6: Final answer
    x = 66,966.90

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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.