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Finding the Fourth Proportional to 61,650.75, 85,078.65 and 33,357.06

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Solution

The fourth proportional to 61,650.75, 85,078.65 and 33,357.06 is: 46,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.75 : 85,078.65 = 33,357.06 : x
  2. Step 2: Convert to fraction form
    61,650.75/85,078.65 = 33,357.06/x
  3. Step 3: Cross multiply
    61,650.75x = 85,078.65 × 33,357.06
  4. Step 4: Simplify right side
    61,650.75x = 2,837,973,632.77
  5. Step 5: Solve for x
    x = 2,837,973,632.77/61,650.75
  6. Step 6: Final answer
    x = 46,033.08

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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.