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Finding the Fourth Proportional to 61,641.90, 85,065.97 and 33,347.59

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Solution

The fourth proportional to 61,641.90, 85,065.97 and 33,347.59 is: 46,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,641.90 : 85,065.97 = 33,347.59 : x
  2. Step 2: Convert to fraction form
    61,641.90/85,065.97 = 33,347.59/x
  3. Step 3: Cross multiply
    61,641.90x = 85,065.97 × 33,347.59
  4. Step 4: Simplify right side
    61,641.90x = 2,836,745,090.51
  5. Step 5: Solve for x
    x = 2,836,745,090.51/61,641.90
  6. Step 6: Final answer
    x = 46,019.75

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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.