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Finding the Fourth Proportional to 64,353.92, 88,795.74 and 40,466.72

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Solution

The fourth proportional to 64,353.92, 88,795.74 and 40,466.72 is: 55,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353.92 : 88,795.74 = 40,466.72 : x
  2. Step 2: Convert to fraction form
    64,353.92/88,795.74 = 40,466.72/x
  3. Step 3: Cross multiply
    64,353.92x = 88,795.74 × 40,466.72
  4. Step 4: Simplify right side
    64,353.92x = 3,593,272,347.77
  5. Step 5: Solve for x
    x = 3,593,272,347.77/64,353.92
  6. Step 6: Final answer
    x = 55,836.11

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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.