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Finding the Fourth Proportional to 61,596.38, 84,990.30 and 35,397.30

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Solution

The fourth proportional to 61,596.38, 84,990.30 and 35,397.30 is: 48,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,596.38 : 84,990.30 = 35,397.30 : x
  2. Step 2: Convert to fraction form
    61,596.38/84,990.30 = 35,397.30/x
  3. Step 3: Cross multiply
    61,596.38x = 84,990.30 × 35,397.30
  4. Step 4: Simplify right side
    61,596.38x = 3,008,427,146.19
  5. Step 5: Solve for x
    x = 3,008,427,146.19/61,596.38
  6. Step 6: Final answer
    x = 48,840.97

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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.