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Finding the Fourth Proportional to 43,498.01, 65,214.18 and 22,428.97

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Solution

The fourth proportional to 43,498.01, 65,214.18 and 22,428.97 is: 33,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.01 : 65,214.18 = 22,428.97 : x
  2. Step 2: Convert to fraction form
    43,498.01/65,214.18 = 22,428.97/x
  3. Step 3: Cross multiply
    43,498.01x = 65,214.18 × 22,428.97
  4. Step 4: Simplify right side
    43,498.01x = 1,462,686,723.76
  5. Step 5: Solve for x
    x = 1,462,686,723.76/43,498.01
  6. Step 6: Final answer
    x = 33,626.52

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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.