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Finding the Fourth Proportional to 64,497.89, 96,632.26 and 55,041.95

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Solution

The fourth proportional to 64,497.89, 96,632.26 and 55,041.95 is: 82,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.89 : 96,632.26 = 55,041.95 : x
  2. Step 2: Convert to fraction form
    64,497.89/96,632.26 = 55,041.95/x
  3. Step 3: Cross multiply
    64,497.89x = 96,632.26 × 55,041.95
  4. Step 4: Simplify right side
    64,497.89x = 5,318,828,023.31
  5. Step 5: Solve for x
    x = 5,318,828,023.31/64,497.89
  6. Step 6: Final answer
    x = 82,465.15

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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.