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Finding the Fourth Proportional to 61,751.88, 85,217.64 and 33,457.56

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Solution

The fourth proportional to 61,751.88, 85,217.64 and 33,457.56 is: 46,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.88 : 85,217.64 = 33,457.56 : x
  2. Step 2: Convert to fraction form
    61,751.88/85,217.64 = 33,457.56/x
  3. Step 3: Cross multiply
    61,751.88x = 85,217.64 × 33,457.56
  4. Step 4: Simplify right side
    61,751.88x = 2,851,174,303.36
  5. Step 5: Solve for x
    x = 2,851,174,303.36/61,751.88
  6. Step 6: Final answer
    x = 46,171.46

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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.