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Finding the Fourth Proportional to 15,297.46, 21,101.55 and 9,623.26

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Solution

The fourth proportional to 15,297.46, 21,101.55 and 9,623.26 is: 13,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.46 : 21,101.55 = 9,623.26 : x
  2. Step 2: Convert to fraction form
    15,297.46/21,101.55 = 9,623.26/x
  3. Step 3: Cross multiply
    15,297.46x = 21,101.55 × 9,623.26
  4. Step 4: Simplify right side
    15,297.46x = 203,065,702.05
  5. Step 5: Solve for x
    x = 203,065,702.05/15,297.46
  6. Step 6: Final answer
    x = 13,274.47

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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.