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Finding the Fourth Proportional to 69,619, 96,071.66 and 37,787.22

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Solution

The fourth proportional to 69,619, 96,071.66 and 37,787.22 is: 52,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619 : 96,071.66 = 37,787.22 : x
  2. Step 2: Convert to fraction form
    69,619/96,071.66 = 37,787.22/x
  3. Step 3: Cross multiply
    69,619x = 96,071.66 × 37,787.22
  4. Step 4: Simplify right side
    69,619x = 3,630,280,952.19
  5. Step 5: Solve for x
    x = 3,630,280,952.19/69,619
  6. Step 6: Final answer
    x = 52,144.97

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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.