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Finding the Fourth Proportional to 22,460.13, 33,690.05 and 5,820.12

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Solution

The fourth proportional to 22,460.13, 33,690.05 and 5,820.12 is: 8,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.13 : 33,690.05 = 5,820.12 : x
  2. Step 2: Convert to fraction form
    22,460.13/33,690.05 = 5,820.12/x
  3. Step 3: Cross multiply
    22,460.13x = 33,690.05 × 5,820.12
  4. Step 4: Simplify right side
    22,460.13x = 196,080,133.81
  5. Step 5: Solve for x
    x = 196,080,133.81/22,460.13
  6. Step 6: Final answer
    x = 8,730.14

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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.