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Finding the Fourth Proportional to 48,482.48, 72,724.62 and 15,201.80

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Solution

The fourth proportional to 48,482.48, 72,724.62 and 15,201.80 is: 22,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,482.48 : 72,724.62 = 15,201.80 : x
  2. Step 2: Convert to fraction form
    48,482.48/72,724.62 = 15,201.80/x
  3. Step 3: Cross multiply
    48,482.48x = 72,724.62 × 15,201.80
  4. Step 4: Simplify right side
    48,482.48x = 1,105,545,128.32
  5. Step 5: Solve for x
    x = 1,105,545,128.32/48,482.48
  6. Step 6: Final answer
    x = 22,802.98

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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.