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Finding the Fourth Proportional to 67,088.50, 92,582.39 and 36,876.47

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Solution

The fourth proportional to 67,088.50, 92,582.39 and 36,876.47 is: 50,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,088.50 : 92,582.39 = 36,876.47 : x
  2. Step 2: Convert to fraction form
    67,088.50/92,582.39 = 36,876.47/x
  3. Step 3: Cross multiply
    67,088.50x = 92,582.39 × 36,876.47
  4. Step 4: Simplify right side
    67,088.50x = 3,414,111,356.64
  5. Step 5: Solve for x
    x = 3,414,111,356.64/67,088.50
  6. Step 6: Final answer
    x = 50,889.66

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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.