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Finding the Fourth Proportional to 48,270.60, 72,412.62 and 14,993.20

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Solution

The fourth proportional to 48,270.60, 72,412.62 and 14,993.20 is: 22,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.60 : 72,412.62 = 14,993.20 : x
  2. Step 2: Convert to fraction form
    48,270.60/72,412.62 = 14,993.20/x
  3. Step 3: Cross multiply
    48,270.60x = 72,412.62 × 14,993.20
  4. Step 4: Simplify right side
    48,270.60x = 1,085,696,894.18
  5. Step 5: Solve for x
    x = 1,085,696,894.18/48,270.60
  6. Step 6: Final answer
    x = 22,491.89

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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.