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Finding the Fourth Proportional to 61,948.68, 85,501.62 and 36,793.32

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Solution

The fourth proportional to 61,948.68, 85,501.62 and 36,793.32 is: 50,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.68 : 85,501.62 = 36,793.32 : x
  2. Step 2: Convert to fraction form
    61,948.68/85,501.62 = 36,793.32/x
  3. Step 3: Cross multiply
    61,948.68x = 85,501.62 × 36,793.32
  4. Step 4: Simplify right side
    61,948.68x = 3,145,888,465.18
  5. Step 5: Solve for x
    x = 3,145,888,465.18/61,948.68
  6. Step 6: Final answer
    x = 50,782.17

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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.