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Finding the Fourth Proportional to 48,592.71, 72,908.10 and 19,005.44

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Solution

The fourth proportional to 48,592.71, 72,908.10 and 19,005.44 is: 28,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,592.71 : 72,908.10 = 19,005.44 : x
  2. Step 2: Convert to fraction form
    48,592.71/72,908.10 = 19,005.44/x
  3. Step 3: Cross multiply
    48,592.71x = 72,908.10 × 19,005.44
  4. Step 4: Simplify right side
    48,592.71x = 1,385,650,155.52
  5. Step 5: Solve for x
    x = 1,385,650,155.52/48,592.71
  6. Step 6: Final answer
    x = 28,515.60

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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.