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Finding the Fourth Proportional to 61,162.50, 91,756.95 and 19,041.69

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Solution

The fourth proportional to 61,162.50, 91,756.95 and 19,041.69 is: 28,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.50 : 91,756.95 = 19,041.69 : x
  2. Step 2: Convert to fraction form
    61,162.50/91,756.95 = 19,041.69/x
  3. Step 3: Cross multiply
    61,162.50x = 91,756.95 × 19,041.69
  4. Step 4: Simplify right side
    61,162.50x = 1,747,207,397.25
  5. Step 5: Solve for x
    x = 1,747,207,397.25/61,162.50
  6. Step 6: Final answer
    x = 28,566.64

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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.