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Finding the Fourth Proportional to 64,663.02, 89,205.03 and 37,806.66

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Solution

The fourth proportional to 64,663.02, 89,205.03 and 37,806.66 is: 52,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.02 : 89,205.03 = 37,806.66 : x
  2. Step 2: Convert to fraction form
    64,663.02/89,205.03 = 37,806.66/x
  3. Step 3: Cross multiply
    64,663.02x = 89,205.03 × 37,806.66
  4. Step 4: Simplify right side
    64,663.02x = 3,372,544,239.50
  5. Step 5: Solve for x
    x = 3,372,544,239.50/64,663.02
  6. Step 6: Final answer
    x = 52,155.69

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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.