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Finding the Fourth Proportional to 29,989.50, 44,981.03 and 15,934.64

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Solution

The fourth proportional to 29,989.50, 44,981.03 and 15,934.64 is: 23,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.50 : 44,981.03 = 15,934.64 : x
  2. Step 2: Convert to fraction form
    29,989.50/44,981.03 = 15,934.64/x
  3. Step 3: Cross multiply
    29,989.50x = 44,981.03 × 15,934.64
  4. Step 4: Simplify right side
    29,989.50x = 716,756,215.30
  5. Step 5: Solve for x
    x = 716,756,215.30/29,989.50
  6. Step 6: Final answer
    x = 23,900.24

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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.