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Finding the Fourth Proportional to 48,522.95, 72,784.44 and 13,462.64

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Solution

The fourth proportional to 48,522.95, 72,784.44 and 13,462.64 is: 20,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,522.95 : 72,784.44 = 13,462.64 : x
  2. Step 2: Convert to fraction form
    48,522.95/72,784.44 = 13,462.64/x
  3. Step 3: Cross multiply
    48,522.95x = 72,784.44 × 13,462.64
  4. Step 4: Simplify right side
    48,522.95x = 979,870,349.40
  5. Step 5: Solve for x
    x = 979,870,349.40/48,522.95
  6. Step 6: Final answer
    x = 20,193.96

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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.