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Finding the Fourth Proportional to 14,848.84, 20,490.84 and 8,876.95

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Solution

The fourth proportional to 14,848.84, 20,490.84 and 8,876.95 is: 12,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.84 : 20,490.84 = 8,876.95 : x
  2. Step 2: Convert to fraction form
    14,848.84/20,490.84 = 8,876.95/x
  3. Step 3: Cross multiply
    14,848.84x = 20,490.84 × 8,876.95
  4. Step 4: Simplify right side
    14,848.84x = 181,896,162.14
  5. Step 5: Solve for x
    x = 181,896,162.14/14,848.84
  6. Step 6: Final answer
    x = 12,249.86

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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.