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Finding the Fourth Proportional to 29,987.86, 44,973.94 and 8,922.24

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Solution

The fourth proportional to 29,987.86, 44,973.94 and 8,922.24 is: 13,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.86 : 44,973.94 = 8,922.24 : x
  2. Step 2: Convert to fraction form
    29,987.86/44,973.94 = 8,922.24/x
  3. Step 3: Cross multiply
    29,987.86x = 44,973.94 × 8,922.24
  4. Step 4: Simplify right side
    29,987.86x = 401,268,286.43
  5. Step 5: Solve for x
    x = 401,268,286.43/29,987.86
  6. Step 6: Final answer
    x = 13,381.02

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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.