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Finding the Fourth Proportional to 16,303.46, 24,451.95 and 7,979.90

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Solution

The fourth proportional to 16,303.46, 24,451.95 and 7,979.90 is: 11,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.46 : 24,451.95 = 7,979.90 : x
  2. Step 2: Convert to fraction form
    16,303.46/24,451.95 = 7,979.90/x
  3. Step 3: Cross multiply
    16,303.46x = 24,451.95 × 7,979.90
  4. Step 4: Simplify right side
    16,303.46x = 195,124,115.81
  5. Step 5: Solve for x
    x = 195,124,115.81/16,303.46
  6. Step 6: Final answer
    x = 11,968.26

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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.