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Finding the Fourth Proportional to 48,617.42, 72,812.81 and 46,933.72

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Solution

The fourth proportional to 48,617.42, 72,812.81 and 46,933.72 is: 70,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.42 : 72,812.81 = 46,933.72 : x
  2. Step 2: Convert to fraction form
    48,617.42/72,812.81 = 46,933.72/x
  3. Step 3: Cross multiply
    48,617.42x = 72,812.81 × 46,933.72
  4. Step 4: Simplify right side
    48,617.42x = 3,417,375,972.26
  5. Step 5: Solve for x
    x = 3,417,375,972.26/48,617.42
  6. Step 6: Final answer
    x = 70,291.19

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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.