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Finding the Fourth Proportional to 61,998.16, 85,566.80 and 37,813.16

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Solution

The fourth proportional to 61,998.16, 85,566.80 and 37,813.16 is: 52,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.16 : 85,566.80 = 37,813.16 : x
  2. Step 2: Convert to fraction form
    61,998.16/85,566.80 = 37,813.16/x
  3. Step 3: Cross multiply
    61,998.16x = 85,566.80 × 37,813.16
  4. Step 4: Simplify right side
    61,998.16x = 3,235,551,099.09
  5. Step 5: Solve for x
    x = 3,235,551,099.09/61,998.16
  6. Step 6: Final answer
    x = 52,187.86

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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.