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Finding the Fourth Proportional to 12,553.29, 18,808.34 and 8,848.89

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Solution

The fourth proportional to 12,553.29, 18,808.34 and 8,848.89 is: 13,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.29 : 18,808.34 = 8,848.89 : x
  2. Step 2: Convert to fraction form
    12,553.29/18,808.34 = 8,848.89/x
  3. Step 3: Cross multiply
    12,553.29x = 18,808.34 × 8,848.89
  4. Step 4: Simplify right side
    12,553.29x = 166,432,887.50
  5. Step 5: Solve for x
    x = 166,432,887.50/12,553.29
  6. Step 6: Final answer
    x = 13,258.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.