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Finding the Fourth Proportional to 17,062.20, 25,549.50 and 14,437.80

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Solution

The fourth proportional to 17,062.20, 25,549.50 and 14,437.80 is: 21,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,062.20 : 25,549.50 = 14,437.80 : x
  2. Step 2: Convert to fraction form
    17,062.20/25,549.50 = 14,437.80/x
  3. Step 3: Cross multiply
    17,062.20x = 25,549.50 × 14,437.80
  4. Step 4: Simplify right side
    17,062.20x = 368,878,571.10
  5. Step 5: Solve for x
    x = 368,878,571.10/17,062.20
  6. Step 6: Final answer
    x = 21,619.64

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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.