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Finding the Fourth Proportional to 14,848.47, 20,476.75 and 8,879.17

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Solution

The fourth proportional to 14,848.47, 20,476.75 and 8,879.17 is: 12,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.47 : 20,476.75 = 8,879.17 : x
  2. Step 2: Convert to fraction form
    14,848.47/20,476.75 = 8,879.17/x
  3. Step 3: Cross multiply
    14,848.47x = 20,476.75 × 8,879.17
  4. Step 4: Simplify right side
    14,848.47x = 181,816,544.30
  5. Step 5: Solve for x
    x = 181,816,544.30/14,848.47
  6. Step 6: Final answer
    x = 12,244.80

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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.