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Finding the Fourth Proportional to 66,553.84, 91,822.22 and 43,904.08

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Solution

The fourth proportional to 66,553.84, 91,822.22 and 43,904.08 is: 60,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.84 : 91,822.22 = 43,904.08 : x
  2. Step 2: Convert to fraction form
    66,553.84/91,822.22 = 43,904.08/x
  3. Step 3: Cross multiply
    66,553.84x = 91,822.22 × 43,904.08
  4. Step 4: Simplify right side
    66,553.84x = 4,031,370,092.66
  5. Step 5: Solve for x
    x = 4,031,370,092.66/66,553.84
  6. Step 6: Final answer
    x = 60,573.07

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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.