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Finding the Fourth Proportional to 64,486.73, 88,981.74 and 36,889.22

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Solution

The fourth proportional to 64,486.73, 88,981.74 and 36,889.22 is: 50,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486.73 : 88,981.74 = 36,889.22 : x
  2. Step 2: Convert to fraction form
    64,486.73/88,981.74 = 36,889.22/x
  3. Step 3: Cross multiply
    64,486.73x = 88,981.74 × 36,889.22
  4. Step 4: Simplify right side
    64,486.73x = 3,282,467,205.30
  5. Step 5: Solve for x
    x = 3,282,467,205.30/64,486.73
  6. Step 6: Final answer
    x = 50,901.43

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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.