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Finding the Fourth Proportional to 61,766.34, 85,235.66 and 36,272.32

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Solution

The fourth proportional to 61,766.34, 85,235.66 and 36,272.32 is: 50,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.34 : 85,235.66 = 36,272.32 : x
  2. Step 2: Convert to fraction form
    61,766.34/85,235.66 = 36,272.32/x
  3. Step 3: Cross multiply
    61,766.34x = 85,235.66 × 36,272.32
  4. Step 4: Simplify right side
    61,766.34x = 3,091,695,134.93
  5. Step 5: Solve for x
    x = 3,091,695,134.93/61,766.34
  6. Step 6: Final answer
    x = 50,054.69

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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.