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Finding the Fourth Proportional to 61,069.60, 91,647.66 and 27,793.94

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Solution

The fourth proportional to 61,069.60, 91,647.66 and 27,793.94 is: 41,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,069.60 : 91,647.66 = 27,793.94 : x
  2. Step 2: Convert to fraction form
    61,069.60/91,647.66 = 27,793.94/x
  3. Step 3: Cross multiply
    61,069.60x = 91,647.66 × 27,793.94
  4. Step 4: Simplify right side
    61,069.60x = 2,547,249,563.18
  5. Step 5: Solve for x
    x = 2,547,249,563.18/61,069.60
  6. Step 6: Final answer
    x = 41,710.60

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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.