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Finding the Fourth Proportional to 64,495.54, 88,998.94 and 36,195.76

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Solution

The fourth proportional to 64,495.54, 88,998.94 and 36,195.76 is: 49,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,495.54 : 88,998.94 = 36,195.76 : x
  2. Step 2: Convert to fraction form
    64,495.54/88,998.94 = 36,195.76/x
  3. Step 3: Cross multiply
    64,495.54x = 88,998.94 × 36,195.76
  4. Step 4: Simplify right side
    64,495.54x = 3,221,384,272.49
  5. Step 5: Solve for x
    x = 3,221,384,272.49/64,495.54
  6. Step 6: Final answer
    x = 49,947.40

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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.