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Finding the Fourth Proportional to 60,534.62, 90,816.51 and 18,981.62

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Solution

The fourth proportional to 60,534.62, 90,816.51 and 18,981.62 is: 28,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,534.62 : 90,816.51 = 18,981.62 : x
  2. Step 2: Convert to fraction form
    60,534.62/90,816.51 = 18,981.62/x
  3. Step 3: Cross multiply
    60,534.62x = 90,816.51 × 18,981.62
  4. Step 4: Simplify right side
    60,534.62x = 1,723,844,028.46
  5. Step 5: Solve for x
    x = 1,723,844,028.46/60,534.62
  6. Step 6: Final answer
    x = 28,477.00

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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.