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Finding the Fourth Proportional to 39,887.44, 55,042.54 and 22,888.17

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Solution

The fourth proportional to 39,887.44, 55,042.54 and 22,888.17 is: 31,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.44 : 55,042.54 = 22,888.17 : x
  2. Step 2: Convert to fraction form
    39,887.44/55,042.54 = 22,888.17/x
  3. Step 3: Cross multiply
    39,887.44x = 55,042.54 × 22,888.17
  4. Step 4: Simplify right side
    39,887.44x = 1,259,822,955.53
  5. Step 5: Solve for x
    x = 1,259,822,955.53/39,887.44
  6. Step 6: Final answer
    x = 31,584.45

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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.