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Finding the Fourth Proportional to 64,507.92, 89,016.02 and 36,208.14

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Solution

The fourth proportional to 64,507.92, 89,016.02 and 36,208.14 is: 49,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507.92 : 89,016.02 = 36,208.14 : x
  2. Step 2: Convert to fraction form
    64,507.92/89,016.02 = 36,208.14/x
  3. Step 3: Cross multiply
    64,507.92x = 89,016.02 × 36,208.14
  4. Step 4: Simplify right side
    64,507.92x = 3,223,104,333.36
  5. Step 5: Solve for x
    x = 3,223,104,333.36/64,507.92
  6. Step 6: Final answer
    x = 49,964.47

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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.