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Finding the Fourth Proportional to 12,200.70, 18,290.01 and 4,404.06

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Solution

The fourth proportional to 12,200.70, 18,290.01 and 4,404.06 is: 6,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.70 : 18,290.01 = 4,404.06 : x
  2. Step 2: Convert to fraction form
    12,200.70/18,290.01 = 4,404.06/x
  3. Step 3: Cross multiply
    12,200.70x = 18,290.01 × 4,404.06
  4. Step 4: Simplify right side
    12,200.70x = 80,550,301.44
  5. Step 5: Solve for x
    x = 80,550,301.44/12,200.70
  6. Step 6: Final answer
    x = 6,602.10

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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.