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Finding the Fourth Proportional to 48,601.60, 72,915.84 and 19,027.84

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Solution

The fourth proportional to 48,601.60, 72,915.84 and 19,027.84 is: 28,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,601.60 : 72,915.84 = 19,027.84 : x
  2. Step 2: Convert to fraction form
    48,601.60/72,915.84 = 19,027.84/x
  3. Step 3: Cross multiply
    48,601.60x = 72,915.84 × 19,027.84
  4. Step 4: Simplify right side
    48,601.60x = 1,387,430,936.99
  5. Step 5: Solve for x
    x = 1,387,430,936.99/48,601.60
  6. Step 6: Final answer
    x = 28,547.02

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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.