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Finding the Fourth Proportional to 64,391.79, 88,859.84 and 36,097.23

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Solution

The fourth proportional to 64,391.79, 88,859.84 and 36,097.23 is: 49,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.79 : 88,859.84 = 36,097.23 : x
  2. Step 2: Convert to fraction form
    64,391.79/88,859.84 = 36,097.23/x
  3. Step 3: Cross multiply
    64,391.79x = 88,859.84 × 36,097.23
  4. Step 4: Simplify right side
    64,391.79x = 3,207,593,901.76
  5. Step 5: Solve for x
    x = 3,207,593,901.76/64,391.79
  6. Step 6: Final answer
    x = 49,813.71

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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.