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Finding the Fourth Proportional to 64,884.48, 97,381.44 and 25,469.28

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Solution

The fourth proportional to 64,884.48, 97,381.44 and 25,469.28 is: 38,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.48 : 97,381.44 = 25,469.28 : x
  2. Step 2: Convert to fraction form
    64,884.48/97,381.44 = 25,469.28/x
  3. Step 3: Cross multiply
    64,884.48x = 97,381.44 × 25,469.28
  4. Step 4: Simplify right side
    64,884.48x = 2,480,235,162.16
  5. Step 5: Solve for x
    x = 2,480,235,162.16/64,884.48
  6. Step 6: Final answer
    x = 38,225.40

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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.