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Finding the Fourth Proportional to 37,300.16, 55,949.68 and 9,220.21

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Solution

The fourth proportional to 37,300.16, 55,949.68 and 9,220.21 is: 13,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,300.16 : 55,949.68 = 9,220.21 : x
  2. Step 2: Convert to fraction form
    37,300.16/55,949.68 = 9,220.21/x
  3. Step 3: Cross multiply
    37,300.16x = 55,949.68 × 9,220.21
  4. Step 4: Simplify right side
    37,300.16x = 515,867,799.03
  5. Step 5: Solve for x
    x = 515,867,799.03/37,300.16
  6. Step 6: Final answer
    x = 13,830.18

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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.