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Finding the Fourth Proportional to 23,640, 32,626.44 and 15,254.88

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Solution

The fourth proportional to 23,640, 32,626.44 and 15,254.88 is: 21,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640 : 32,626.44 = 15,254.88 : x
  2. Step 2: Convert to fraction form
    23,640/32,626.44 = 15,254.88/x
  3. Step 3: Cross multiply
    23,640x = 32,626.44 × 15,254.88
  4. Step 4: Simplify right side
    23,640x = 497,712,427.03
  5. Step 5: Solve for x
    x = 497,712,427.03/23,640
  6. Step 6: Final answer
    x = 21,053.83

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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.