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Finding the Fourth Proportional to 69,690.84, 104,543.16 and 22,294.03

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Solution

The fourth proportional to 69,690.84, 104,543.16 and 22,294.03 is: 33,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.84 : 104,543.16 = 22,294.03 : x
  2. Step 2: Convert to fraction form
    69,690.84/104,543.16 = 22,294.03/x
  3. Step 3: Cross multiply
    69,690.84x = 104,543.16 × 22,294.03
  4. Step 4: Simplify right side
    69,690.84x = 2,330,688,345.33
  5. Step 5: Solve for x
    x = 2,330,688,345.33/69,690.84
  6. Step 6: Final answer
    x = 33,443.25

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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.