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Finding the Fourth Proportional to 65,995.67, 91,050.16 and 43,346.94

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Solution

The fourth proportional to 65,995.67, 91,050.16 and 43,346.94 is: 59,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.67 : 91,050.16 = 43,346.94 : x
  2. Step 2: Convert to fraction form
    65,995.67/91,050.16 = 43,346.94/x
  3. Step 3: Cross multiply
    65,995.67x = 91,050.16 × 43,346.94
  4. Step 4: Simplify right side
    65,995.67x = 3,946,745,822.51
  5. Step 5: Solve for x
    x = 3,946,745,822.51/65,995.67
  6. Step 6: Final answer
    x = 59,803.10

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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.