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Finding the Fourth Proportional to 67,533.52, 93,216 and 39,250.48

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Solution

The fourth proportional to 67,533.52, 93,216 and 39,250.48 is: 54,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,533.52 : 93,216 = 39,250.48 : x
  2. Step 2: Convert to fraction form
    67,533.52/93,216 = 39,250.48/x
  3. Step 3: Cross multiply
    67,533.52x = 93,216 × 39,250.48
  4. Step 4: Simplify right side
    67,533.52x = 3,658,772,743.68
  5. Step 5: Solve for x
    x = 3,658,772,743.68/67,533.52
  6. Step 6: Final answer
    x = 54,177.14

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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.