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Finding the Fourth Proportional to 64,641.87, 96,973.74 and 33,065.64

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Solution

The fourth proportional to 64,641.87, 96,973.74 and 33,065.64 is: 49,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641.87 : 96,973.74 = 33,065.64 : x
  2. Step 2: Convert to fraction form
    64,641.87/96,973.74 = 33,065.64/x
  3. Step 3: Cross multiply
    64,641.87x = 96,973.74 × 33,065.64
  4. Step 4: Simplify right side
    64,641.87x = 3,206,498,776.29
  5. Step 5: Solve for x
    x = 3,206,498,776.29/64,641.87
  6. Step 6: Final answer
    x = 49,604.05

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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.