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Finding the Fourth Proportional to 61,632.56, 85,053 and 33,338.12

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Solution

The fourth proportional to 61,632.56, 85,053 and 33,338.12 is: 46,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.56 : 85,053 = 33,338.12 : x
  2. Step 2: Convert to fraction form
    61,632.56/85,053 = 33,338.12/x
  3. Step 3: Cross multiply
    61,632.56x = 85,053 × 33,338.12
  4. Step 4: Simplify right side
    61,632.56x = 2,835,507,120.36
  5. Step 5: Solve for x
    x = 2,835,507,120.36/61,632.56
  6. Step 6: Final answer
    x = 46,006.64

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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.