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Finding the Fourth Proportional to 29,980.95, 44,933.73 and 15,906.21

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Solution

The fourth proportional to 29,980.95, 44,933.73 and 15,906.21 is: 23,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,980.95 : 44,933.73 = 15,906.21 : x
  2. Step 2: Convert to fraction form
    29,980.95/44,933.73 = 15,906.21/x
  3. Step 3: Cross multiply
    29,980.95x = 44,933.73 × 15,906.21
  4. Step 4: Simplify right side
    29,980.95x = 714,725,345.46
  5. Step 5: Solve for x
    x = 714,725,345.46/29,980.95
  6. Step 6: Final answer
    x = 23,839.32

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1.5x scale

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.