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Finding the Fourth Proportional to 11,204.40, 16,806.60 and 11,031.60

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Solution

The fourth proportional to 11,204.40, 16,806.60 and 11,031.60 is: 16,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.40 : 16,806.60 = 11,031.60 : x
  2. Step 2: Convert to fraction form
    11,204.40/16,806.60 = 11,031.60/x
  3. Step 3: Cross multiply
    11,204.40x = 16,806.60 × 11,031.60
  4. Step 4: Simplify right side
    11,204.40x = 185,403,688.56
  5. Step 5: Solve for x
    x = 185,403,688.56/11,204.40
  6. Step 6: Final answer
    x = 16,547.40

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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.