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Finding the Fourth Proportional to 22,543.51, 33,834.72 and 8,702.23

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Solution

The fourth proportional to 22,543.51, 33,834.72 and 8,702.23 is: 13,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.51 : 33,834.72 = 8,702.23 : x
  2. Step 2: Convert to fraction form
    22,543.51/33,834.72 = 8,702.23/x
  3. Step 3: Cross multiply
    22,543.51x = 33,834.72 × 8,702.23
  4. Step 4: Simplify right side
    22,543.51x = 294,437,515.43
  5. Step 5: Solve for x
    x = 294,437,515.43/22,543.51
  6. Step 6: Final answer
    x = 13,060.86

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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.