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Finding the Fourth Proportional to 19,992.52, 29,827.13 and 17,999.74

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Solution

The fourth proportional to 19,992.52, 29,827.13 and 17,999.74 is: 26,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.52 : 29,827.13 = 17,999.74 : x
  2. Step 2: Convert to fraction form
    19,992.52/29,827.13 = 17,999.74/x
  3. Step 3: Cross multiply
    19,992.52x = 29,827.13 × 17,999.74
  4. Step 4: Simplify right side
    19,992.52x = 536,880,584.95
  5. Step 5: Solve for x
    x = 536,880,584.95/19,992.52
  6. Step 6: Final answer
    x = 26,854.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.