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Finding the Fourth Proportional to 18,562.07, 27,843.57 and 15,913.07

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Solution

The fourth proportional to 18,562.07, 27,843.57 and 15,913.07 is: 23,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.07 : 27,843.57 = 15,913.07 : x
  2. Step 2: Convert to fraction form
    18,562.07/27,843.57 = 15,913.07/x
  3. Step 3: Cross multiply
    18,562.07x = 27,843.57 × 15,913.07
  4. Step 4: Simplify right side
    18,562.07x = 443,076,643.66
  5. Step 5: Solve for x
    x = 443,076,643.66/18,562.07
  6. Step 6: Final answer
    x = 23,870.00

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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.