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Finding the Fourth Proportional to 64,888.92, 89,525.73 and 36,203.93

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Solution

The fourth proportional to 64,888.92, 89,525.73 and 36,203.93 is: 49,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.92 : 89,525.73 = 36,203.93 : x
  2. Step 2: Convert to fraction form
    64,888.92/89,525.73 = 36,203.93/x
  3. Step 3: Cross multiply
    64,888.92x = 89,525.73 × 36,203.93
  4. Step 4: Simplify right side
    64,888.92x = 3,241,182,814.49
  5. Step 5: Solve for x
    x = 3,241,182,814.49/64,888.92
  6. Step 6: Final answer
    x = 49,949.71

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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.