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Finding the Fourth Proportional to 61,947.34, 85,486.85 and 33,653.23

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Solution

The fourth proportional to 61,947.34, 85,486.85 and 33,653.23 is: 46,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947.34 : 85,486.85 = 33,653.23 : x
  2. Step 2: Convert to fraction form
    61,947.34/85,486.85 = 33,653.23/x
  3. Step 3: Cross multiply
    61,947.34x = 85,486.85 × 33,653.23
  4. Step 4: Simplify right side
    61,947.34x = 2,876,908,625.03
  5. Step 5: Solve for x
    x = 2,876,908,625.03/61,947.34
  6. Step 6: Final answer
    x = 46,441.20

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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.