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Finding the Fourth Proportional to 65,155.61, 97,751.91 and 33,588.81

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Solution

The fourth proportional to 65,155.61, 97,751.91 and 33,588.81 is: 50,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,155.61 : 97,751.91 = 33,588.81 : x
  2. Step 2: Convert to fraction form
    65,155.61/97,751.91 = 33,588.81/x
  3. Step 3: Cross multiply
    65,155.61x = 97,751.91 × 33,588.81
  4. Step 4: Simplify right side
    65,155.61x = 3,283,370,332.13
  5. Step 5: Solve for x
    x = 3,283,370,332.13/65,155.61
  6. Step 6: Final answer
    x = 50,392.75

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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.