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Finding the Fourth Proportional to 17,644.80, 26,588.60 and 14,593.40

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Solution

The fourth proportional to 17,644.80, 26,588.60 and 14,593.40 is: 21,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,644.80 : 26,588.60 = 14,593.40 : x
  2. Step 2: Convert to fraction form
    17,644.80/26,588.60 = 14,593.40/x
  3. Step 3: Cross multiply
    17,644.80x = 26,588.60 × 14,593.40
  4. Step 4: Simplify right side
    17,644.80x = 388,018,075.24
  5. Step 5: Solve for x
    x = 388,018,075.24/17,644.80
  6. Step 6: Final answer
    x = 21,990.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.