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Finding the Fourth Proportional to 61,891.48, 85,409.65 and 33,597.13

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Solution

The fourth proportional to 61,891.48, 85,409.65 and 33,597.13 is: 46,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,891.48 : 85,409.65 = 33,597.13 : x
  2. Step 2: Convert to fraction form
    61,891.48/85,409.65 = 33,597.13/x
  3. Step 3: Cross multiply
    61,891.48x = 85,409.65 × 33,597.13
  4. Step 4: Simplify right side
    61,891.48x = 2,869,519,114.30
  5. Step 5: Solve for x
    x = 2,869,519,114.30/61,891.48
  6. Step 6: Final answer
    x = 46,363.72

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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.