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Finding the Fourth Proportional to 48,282, 72,377.64 and 43,953.36

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Solution

The fourth proportional to 48,282, 72,377.64 and 43,953.36 is: 65,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282 : 72,377.64 = 43,953.36 : x
  2. Step 2: Convert to fraction form
    48,282/72,377.64 = 43,953.36/x
  3. Step 3: Cross multiply
    48,282x = 72,377.64 × 43,953.36
  4. Step 4: Simplify right side
    48,282x = 3,181,240,466.87
  5. Step 5: Solve for x
    x = 3,181,240,466.87/48,282
  6. Step 6: Final answer
    x = 65,888.75

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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.