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Finding the Fourth Proportional to 29,981.52, 44,991.72 and 13,360.32

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Solution

The fourth proportional to 29,981.52, 44,991.72 and 13,360.32 is: 20,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.52 : 44,991.72 = 13,360.32 : x
  2. Step 2: Convert to fraction form
    29,981.52/44,991.72 = 13,360.32/x
  3. Step 3: Cross multiply
    29,981.52x = 44,991.72 × 13,360.32
  4. Step 4: Simplify right side
    29,981.52x = 601,103,776.55
  5. Step 5: Solve for x
    x = 601,103,776.55/29,981.52
  6. Step 6: Final answer
    x = 20,049.14

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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.