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Finding the Fourth Proportional to 61,648.89, 85,075.68 and 33,354.57

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Solution

The fourth proportional to 61,648.89, 85,075.68 and 33,354.57 is: 46,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.89 : 85,075.68 = 33,354.57 : x
  2. Step 2: Convert to fraction form
    61,648.89/85,075.68 = 33,354.57/x
  3. Step 3: Cross multiply
    61,648.89x = 85,075.68 × 33,354.57
  4. Step 4: Simplify right side
    61,648.89x = 2,837,662,723.86
  5. Step 5: Solve for x
    x = 2,837,662,723.86/61,648.89
  6. Step 6: Final answer
    x = 46,029.42

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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.