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Finding the Fourth Proportional to 61,649.96, 84,999.49 and 50,307.94

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Solution

The fourth proportional to 61,649.96, 84,999.49 and 50,307.94 is: 69,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649.96 : 84,999.49 = 50,307.94 : x
  2. Step 2: Convert to fraction form
    61,649.96/84,999.49 = 50,307.94/x
  3. Step 3: Cross multiply
    61,649.96x = 84,999.49 × 50,307.94
  4. Step 4: Simplify right side
    61,649.96x = 4,276,149,242.95
  5. Step 5: Solve for x
    x = 4,276,149,242.95/61,649.96
  6. Step 6: Final answer
    x = 69,361.75

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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.