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Finding the Fourth Proportional to 16,322.21, 24,482.93 and 5,228.85

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Solution

The fourth proportional to 16,322.21, 24,482.93 and 5,228.85 is: 7,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.21 : 24,482.93 = 5,228.85 : x
  2. Step 2: Convert to fraction form
    16,322.21/24,482.93 = 5,228.85/x
  3. Step 3: Cross multiply
    16,322.21x = 24,482.93 × 5,228.85
  4. Step 4: Simplify right side
    16,322.21x = 128,017,634.20
  5. Step 5: Solve for x
    x = 128,017,634.20/16,322.21
  6. Step 6: Final answer
    x = 7,843.16

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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.