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Finding the Fourth Proportional to 61,795.01, 92,720.20 and 28,497.22

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Solution

The fourth proportional to 61,795.01, 92,720.20 and 28,497.22 is: 42,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,795.01 : 92,720.20 = 28,497.22 : x
  2. Step 2: Convert to fraction form
    61,795.01/92,720.20 = 28,497.22/x
  3. Step 3: Cross multiply
    61,795.01x = 92,720.20 × 28,497.22
  4. Step 4: Simplify right side
    61,795.01x = 2,642,267,937.84
  5. Step 5: Solve for x
    x = 2,642,267,937.84/61,795.01
  6. Step 6: Final answer
    x = 42,758.60

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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.