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Finding the Fourth Proportional to 14,844.00, 20,484.12 and 8,878.96

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Solution

The fourth proportional to 14,844.00, 20,484.12 and 8,878.96 is: 12,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.00 : 20,484.12 = 8,878.96 : x
  2. Step 2: Convert to fraction form
    14,844.00/20,484.12 = 8,878.96/x
  3. Step 3: Cross multiply
    14,844.00x = 20,484.12 × 8,878.96
  4. Step 4: Simplify right side
    14,844.00x = 181,877,741.02
  5. Step 5: Solve for x
    x = 181,877,741.02/14,844.00
  6. Step 6: Final answer
    x = 12,252.61

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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.