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Finding the Fourth Proportional to 84,369.93, 126,557.16 and 36,960.63

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Solution

The fourth proportional to 84,369.93, 126,557.16 and 36,960.63 is: 55,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,369.93 : 126,557.16 = 36,960.63 : x
  2. Step 2: Convert to fraction form
    84,369.93/126,557.16 = 36,960.63/x
  3. Step 3: Cross multiply
    84,369.93x = 126,557.16 × 36,960.63
  4. Step 4: Simplify right side
    84,369.93x = 4,677,632,364.61
  5. Step 5: Solve for x
    x = 4,677,632,364.61/84,369.93
  6. Step 6: Final answer
    x = 55,441.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.