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Finding the Fourth Proportional to 60,390.76, 83,338.80 and 33,533.36

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Solution

The fourth proportional to 60,390.76, 83,338.80 and 33,533.36 is: 46,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.76 : 83,338.80 = 33,533.36 : x
  2. Step 2: Convert to fraction form
    60,390.76/83,338.80 = 33,533.36/x
  3. Step 3: Cross multiply
    60,390.76x = 83,338.80 × 33,533.36
  4. Step 4: Simplify right side
    60,390.76x = 2,794,629,982.37
  5. Step 5: Solve for x
    x = 2,794,629,982.37/60,390.76
  6. Step 6: Final answer
    x = 46,275.79

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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.