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Finding the Fourth Proportional to 61,747.69, 92,611.84 and 19,622.22

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Solution

The fourth proportional to 61,747.69, 92,611.84 and 19,622.22 is: 29,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.69 : 92,611.84 = 19,622.22 : x
  2. Step 2: Convert to fraction form
    61,747.69/92,611.84 = 19,622.22/x
  3. Step 3: Cross multiply
    61,747.69x = 92,611.84 × 19,622.22
  4. Step 4: Simplify right side
    61,747.69x = 1,817,249,899.08
  5. Step 5: Solve for x
    x = 1,817,249,899.08/61,747.69
  6. Step 6: Final answer
    x = 29,430.25

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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.