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Finding the Fourth Proportional to 18,594.53, 27,864.68 and 8,602.34

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Solution

The fourth proportional to 18,594.53, 27,864.68 and 8,602.34 is: 12,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.53 : 27,864.68 = 8,602.34 : x
  2. Step 2: Convert to fraction form
    18,594.53/27,864.68 = 8,602.34/x
  3. Step 3: Cross multiply
    18,594.53x = 27,864.68 × 8,602.34
  4. Step 4: Simplify right side
    18,594.53x = 239,701,269.02
  5. Step 5: Solve for x
    x = 239,701,269.02/18,594.53
  6. Step 6: Final answer
    x = 12,890.96

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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.