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Finding the Fourth Proportional to 67,808.40, 93,509.64 and 44,796.48

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Solution

The fourth proportional to 67,808.40, 93,509.64 and 44,796.48 is: 61,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.40 : 93,509.64 = 44,796.48 : x
  2. Step 2: Convert to fraction form
    67,808.40/93,509.64 = 44,796.48/x
  3. Step 3: Cross multiply
    67,808.40x = 93,509.64 × 44,796.48
  4. Step 4: Simplify right side
    67,808.40x = 4,188,902,718.07
  5. Step 5: Solve for x
    x = 4,188,902,718.07/67,808.40
  6. Step 6: Final answer
    x = 61,775.57

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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.