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Finding the Fourth Proportional to 61,323.14, 91,984.79 and 28,034.28

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Solution

The fourth proportional to 61,323.14, 91,984.79 and 28,034.28 is: 42,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.14 : 91,984.79 = 28,034.28 : x
  2. Step 2: Convert to fraction form
    61,323.14/91,984.79 = 28,034.28/x
  3. Step 3: Cross multiply
    61,323.14x = 91,984.79 × 28,034.28
  4. Step 4: Simplify right side
    61,323.14x = 2,578,727,428.69
  5. Step 5: Solve for x
    x = 2,578,727,428.69/61,323.14
  6. Step 6: Final answer
    x = 42,051.46

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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.