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Finding the Fourth Proportional to 11,095.50, 16,654.65 and 8,656.98

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Solution

The fourth proportional to 11,095.50, 16,654.65 and 8,656.98 is: 12,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.50 : 16,654.65 = 8,656.98 : x
  2. Step 2: Convert to fraction form
    11,095.50/16,654.65 = 8,656.98/x
  3. Step 3: Cross multiply
    11,095.50x = 16,654.65 × 8,656.98
  4. Step 4: Simplify right side
    11,095.50x = 144,178,971.96
  5. Step 5: Solve for x
    x = 144,178,971.96/11,095.50
  6. Step 6: Final answer
    x = 12,994.36

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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.