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Finding the Fourth Proportional to 16,048.81, 22,146.88 and 8,879.01

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Solution

The fourth proportional to 16,048.81, 22,146.88 and 8,879.01 is: 12,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,048.81 : 22,146.88 = 8,879.01 : x
  2. Step 2: Convert to fraction form
    16,048.81/22,146.88 = 8,879.01/x
  3. Step 3: Cross multiply
    16,048.81x = 22,146.88 × 8,879.01
  4. Step 4: Simplify right side
    16,048.81x = 196,642,368.99
  5. Step 5: Solve for x
    x = 196,642,368.99/16,048.81
  6. Step 6: Final answer
    x = 12,252.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.