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Finding the Fourth Proportional to 66,533.96, 99,717.36 and 33,263.28

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Solution

The fourth proportional to 66,533.96, 99,717.36 and 33,263.28 is: 49,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.96 : 99,717.36 = 33,263.28 : x
  2. Step 2: Convert to fraction form
    66,533.96/99,717.36 = 33,263.28/x
  3. Step 3: Cross multiply
    66,533.96x = 99,717.36 × 33,263.28
  4. Step 4: Simplify right side
    66,533.96x = 3,316,926,466.54
  5. Step 5: Solve for x
    x = 3,316,926,466.54/66,533.96
  6. Step 6: Final answer
    x = 49,853.13

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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.