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Finding the Fourth Proportional to 64,533.95, 89,057.89 and 36,239.03

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Solution

The fourth proportional to 64,533.95, 89,057.89 and 36,239.03 is: 50,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,533.95 : 89,057.89 = 36,239.03 : x
  2. Step 2: Convert to fraction form
    64,533.95/89,057.89 = 36,239.03/x
  3. Step 3: Cross multiply
    64,533.95x = 89,057.89 × 36,239.03
  4. Step 4: Simplify right side
    64,533.95x = 3,227,371,815.39
  5. Step 5: Solve for x
    x = 3,227,371,815.39/64,533.95
  6. Step 6: Final answer
    x = 50,010.45

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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.