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Finding the Fourth Proportional to 64,721.70, 97,042.95 and 25,233.30

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Solution

The fourth proportional to 64,721.70, 97,042.95 and 25,233.30 is: 37,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.70 : 97,042.95 = 25,233.30 : x
  2. Step 2: Convert to fraction form
    64,721.70/97,042.95 = 25,233.30/x
  3. Step 3: Cross multiply
    64,721.70x = 97,042.95 × 25,233.30
  4. Step 4: Simplify right side
    64,721.70x = 2,448,713,870.24
  5. Step 5: Solve for x
    x = 2,448,713,870.24/64,721.70
  6. Step 6: Final answer
    x = 37,834.51

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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.