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Finding the Fourth Proportional to 64,395.42, 96,597.45 and 22,279.61

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Solution

The fourth proportional to 64,395.42, 96,597.45 and 22,279.61 is: 33,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,395.42 : 96,597.45 = 22,279.61 : x
  2. Step 2: Convert to fraction form
    64,395.42/96,597.45 = 22,279.61/x
  3. Step 3: Cross multiply
    64,395.42x = 96,597.45 × 22,279.61
  4. Step 4: Simplify right side
    64,395.42x = 2,152,153,030.01
  5. Step 5: Solve for x
    x = 2,152,153,030.01/64,395.42
  6. Step 6: Final answer
    x = 33,420.90

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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.