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Finding the Fourth Proportional to 67,314.39, 92,894.22 and 38,631.77

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Solution

The fourth proportional to 67,314.39, 92,894.22 and 38,631.77 is: 53,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,314.39 : 92,894.22 = 38,631.77 : x
  2. Step 2: Convert to fraction form
    67,314.39/92,894.22 = 38,631.77/x
  3. Step 3: Cross multiply
    67,314.39x = 92,894.22 × 38,631.77
  4. Step 4: Simplify right side
    67,314.39x = 3,588,668,141.37
  5. Step 5: Solve for x
    x = 3,588,668,141.37/67,314.39
  6. Step 6: Final answer
    x = 53,312.05

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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.