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Finding the Fourth Proportional to 61,550.88, 84,934.08 and 37,684.32

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Solution

The fourth proportional to 61,550.88, 84,934.08 and 37,684.32 is: 52,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,550.88 : 84,934.08 = 37,684.32 : x
  2. Step 2: Convert to fraction form
    61,550.88/84,934.08 = 37,684.32/x
  3. Step 3: Cross multiply
    61,550.88x = 84,934.08 × 37,684.32
  4. Step 4: Simplify right side
    61,550.88x = 3,200,683,049.63
  5. Step 5: Solve for x
    x = 3,200,683,049.63/61,550.88
  6. Step 6: Final answer
    x = 52,000.61

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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.