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Finding the Fourth Proportional to 11,085.30, 16,627.95 and 8,898.30

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Solution

The fourth proportional to 11,085.30, 16,627.95 and 8,898.30 is: 13,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.30 : 16,627.95 = 8,898.30 : x
  2. Step 2: Convert to fraction form
    11,085.30/16,627.95 = 8,898.30/x
  3. Step 3: Cross multiply
    11,085.30x = 16,627.95 × 8,898.30
  4. Step 4: Simplify right side
    11,085.30x = 147,960,487.49
  5. Step 5: Solve for x
    x = 147,960,487.49/11,085.30
  6. Step 6: Final answer
    x = 13,347.45

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Similar ratio
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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.