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Finding the Fourth Proportional to 22,702.61, 34,054.02 and 7,911.51

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Solution

The fourth proportional to 22,702.61, 34,054.02 and 7,911.51 is: 11,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.61 : 34,054.02 = 7,911.51 : x
  2. Step 2: Convert to fraction form
    22,702.61/34,054.02 = 7,911.51/x
  3. Step 3: Cross multiply
    22,702.61x = 34,054.02 × 7,911.51
  4. Step 4: Simplify right side
    22,702.61x = 269,418,592.07
  5. Step 5: Solve for x
    x = 269,418,592.07/22,702.61
  6. Step 6: Final answer
    x = 11,867.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.