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Finding the Fourth Proportional to 60,523.50, 90,799.83 and 18,970.50

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Solution

The fourth proportional to 60,523.50, 90,799.83 and 18,970.50 is: 28,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,523.50 : 90,799.83 = 18,970.50 : x
  2. Step 2: Convert to fraction form
    60,523.50/90,799.83 = 18,970.50/x
  3. Step 3: Cross multiply
    60,523.50x = 90,799.83 × 18,970.50
  4. Step 4: Simplify right side
    60,523.50x = 1,722,518,175.02
  5. Step 5: Solve for x
    x = 1,722,518,175.02/60,523.50
  6. Step 6: Final answer
    x = 28,460.32

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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.