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Finding the Fourth Proportional to 60,569, 90,854.32 and 19,016

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Solution

The fourth proportional to 60,569, 90,854.32 and 19,016 is: 28,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,569 : 90,854.32 = 19,016 : x
  2. Step 2: Convert to fraction form
    60,569/90,854.32 = 19,016/x
  3. Step 3: Cross multiply
    60,569x = 90,854.32 × 19,016
  4. Step 4: Simplify right side
    60,569x = 1,727,685,749.12
  5. Step 5: Solve for x
    x = 1,727,685,749.12/60,569
  6. Step 6: Final answer
    x = 28,524.26

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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.