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Finding the Fourth Proportional to 14,849.84, 20,493.06 and 8,886.08

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Solution

The fourth proportional to 14,849.84, 20,493.06 and 8,886.08 is: 12,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.84 : 20,493.06 = 8,886.08 : x
  2. Step 2: Convert to fraction form
    14,849.84/20,493.06 = 8,886.08/x
  3. Step 3: Cross multiply
    14,849.84x = 20,493.06 × 8,886.08
  4. Step 4: Simplify right side
    14,849.84x = 182,102,970.60
  5. Step 5: Solve for x
    x = 182,102,970.60/14,849.84
  6. Step 6: Final answer
    x = 12,262.96

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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.