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Finding the Fourth Proportional to 64,837.81, 97,081.35 and 33,607.45

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Solution

The fourth proportional to 64,837.81, 97,081.35 and 33,607.45 is: 50,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.81 : 97,081.35 = 33,607.45 : x
  2. Step 2: Convert to fraction form
    64,837.81/97,081.35 = 33,607.45/x
  3. Step 3: Cross multiply
    64,837.81x = 97,081.35 × 33,607.45
  4. Step 4: Simplify right side
    64,837.81x = 3,262,656,616.06
  5. Step 5: Solve for x
    x = 3,262,656,616.06/64,837.81
  6. Step 6: Final answer
    x = 50,320.28

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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.