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Finding the Fourth Proportional to 64,799.04, 97,057.91 and 31,449.02

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Solution

The fourth proportional to 64,799.04, 97,057.91 and 31,449.02 is: 47,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,799.04 : 97,057.91 = 31,449.02 : x
  2. Step 2: Convert to fraction form
    64,799.04/97,057.91 = 31,449.02/x
  3. Step 3: Cross multiply
    64,799.04x = 97,057.91 × 31,449.02
  4. Step 4: Simplify right side
    64,799.04x = 3,052,375,510.21
  5. Step 5: Solve for x
    x = 3,052,375,510.21/64,799.04
  6. Step 6: Final answer
    x = 47,105.26

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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.