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Finding the Fourth Proportional to 74,603.70, 111,905.55 and 22,013.10

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Solution

The fourth proportional to 74,603.70, 111,905.55 and 22,013.10 is: 33,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603.70 : 111,905.55 = 22,013.10 : x
  2. Step 2: Convert to fraction form
    74,603.70/111,905.55 = 22,013.10/x
  3. Step 3: Cross multiply
    74,603.70x = 111,905.55 × 22,013.10
  4. Step 4: Simplify right side
    74,603.70x = 2,463,388,062.71
  5. Step 5: Solve for x
    x = 2,463,388,062.71/74,603.70
  6. Step 6: Final answer
    x = 33,019.65

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Similar ratio
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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.