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Finding the Fourth Proportional to 35,480.52, 53,220.80 and 10,856.52

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Solution

The fourth proportional to 35,480.52, 53,220.80 and 10,856.52 is: 16,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.52 : 53,220.80 = 10,856.52 : x
  2. Step 2: Convert to fraction form
    35,480.52/53,220.80 = 10,856.52/x
  3. Step 3: Cross multiply
    35,480.52x = 53,220.80 × 10,856.52
  4. Step 4: Simplify right side
    35,480.52x = 577,792,679.62
  5. Step 5: Solve for x
    x = 577,792,679.62/35,480.52
  6. Step 6: Final answer
    x = 16,284.79

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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.