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Finding the Fourth Proportional to 15,295.84, 22,906.80 and 8,702.03

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Solution

The fourth proportional to 15,295.84, 22,906.80 and 8,702.03 is: 13,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.84 : 22,906.80 = 8,702.03 : x
  2. Step 2: Convert to fraction form
    15,295.84/22,906.80 = 8,702.03/x
  3. Step 3: Cross multiply
    15,295.84x = 22,906.80 × 8,702.03
  4. Step 4: Simplify right side
    15,295.84x = 199,335,718.07
  5. Step 5: Solve for x
    x = 199,335,718.07/15,295.84
  6. Step 6: Final answer
    x = 13,032.02

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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.