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Finding the Fourth Proportional to 35,910.57, 53,865.78 and 9,615.33

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Solution

The fourth proportional to 35,910.57, 53,865.78 and 9,615.33 is: 14,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,910.57 : 53,865.78 = 9,615.33 : x
  2. Step 2: Convert to fraction form
    35,910.57/53,865.78 = 9,615.33/x
  3. Step 3: Cross multiply
    35,910.57x = 53,865.78 × 9,615.33
  4. Step 4: Simplify right side
    35,910.57x = 517,937,250.41
  5. Step 5: Solve for x
    x = 517,937,250.41/35,910.57
  6. Step 6: Final answer
    x = 14,422.97

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1.5x scale

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.