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Finding the Fourth Proportional to 22,674.98, 31,208.88 and 19,968.48

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Solution

The fourth proportional to 22,674.98, 31,208.88 and 19,968.48 is: 27,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.98 : 31,208.88 = 19,968.48 : x
  2. Step 2: Convert to fraction form
    22,674.98/31,208.88 = 19,968.48/x
  3. Step 3: Cross multiply
    22,674.98x = 31,208.88 × 19,968.48
  4. Step 4: Simplify right side
    22,674.98x = 623,193,896.10
  5. Step 5: Solve for x
    x = 623,193,896.10/22,674.98
  6. Step 6: Final answer
    x = 27,483.77

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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.