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Finding the Fourth Proportional to 48,374.64, 72,563.52 and 13,314.48

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Solution

The fourth proportional to 48,374.64, 72,563.52 and 13,314.48 is: 19,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.64 : 72,563.52 = 13,314.48 : x
  2. Step 2: Convert to fraction form
    48,374.64/72,563.52 = 13,314.48/x
  3. Step 3: Cross multiply
    48,374.64x = 72,563.52 × 13,314.48
  4. Step 4: Simplify right side
    48,374.64x = 966,145,535.77
  5. Step 5: Solve for x
    x = 966,145,535.77/48,374.64
  6. Step 6: Final answer
    x = 19,972.15

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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.