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Finding the Fourth Proportional to 61,859.28, 85,365.42 and 33,564.36

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Solution

The fourth proportional to 61,859.28, 85,365.42 and 33,564.36 is: 46,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.28 : 85,365.42 = 33,564.36 : x
  2. Step 2: Convert to fraction form
    61,859.28/85,365.42 = 33,564.36/x
  3. Step 3: Cross multiply
    61,859.28x = 85,365.42 × 33,564.36
  4. Step 4: Simplify right side
    61,859.28x = 2,865,235,688.43
  5. Step 5: Solve for x
    x = 2,865,235,688.43/61,859.28
  6. Step 6: Final answer
    x = 46,318.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.