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Finding the Fourth Proportional to 48,662.64, 72,993.96 and 19,094.40

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Solution

The fourth proportional to 48,662.64, 72,993.96 and 19,094.40 is: 28,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.64 : 72,993.96 = 19,094.40 : x
  2. Step 2: Convert to fraction form
    48,662.64/72,993.96 = 19,094.40/x
  3. Step 3: Cross multiply
    48,662.64x = 72,993.96 × 19,094.40
  4. Step 4: Simplify right side
    48,662.64x = 1,393,775,869.82
  5. Step 5: Solve for x
    x = 1,393,775,869.82/48,662.64
  6. Step 6: Final answer
    x = 28,641.60

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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.