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Finding the Fourth Proportional to 64,822.88, 97,234.32 and 15,574.88

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Solution

The fourth proportional to 64,822.88, 97,234.32 and 15,574.88 is: 23,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.88 : 97,234.32 = 15,574.88 : x
  2. Step 2: Convert to fraction form
    64,822.88/97,234.32 = 15,574.88/x
  3. Step 3: Cross multiply
    64,822.88x = 97,234.32 × 15,574.88
  4. Step 4: Simplify right side
    64,822.88x = 1,514,412,379.71
  5. Step 5: Solve for x
    x = 1,514,412,379.71/64,822.88
  6. Step 6: Final answer
    x = 23,362.31

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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.