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Finding the Fourth Proportional to 64,552.61, 89,090.94 and 36,258.30

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Solution

The fourth proportional to 64,552.61, 89,090.94 and 36,258.30 is: 50,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,552.61 : 89,090.94 = 36,258.30 : x
  2. Step 2: Convert to fraction form
    64,552.61/89,090.94 = 36,258.30/x
  3. Step 3: Cross multiply
    64,552.61x = 89,090.94 × 36,258.30
  4. Step 4: Simplify right side
    64,552.61x = 3,230,286,029.80
  5. Step 5: Solve for x
    x = 3,230,286,029.80/64,552.61
  6. Step 6: Final answer
    x = 50,041.14

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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.