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Finding the Fourth Proportional to 25,080.72, 34,593 and 18,014.40

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Solution

The fourth proportional to 25,080.72, 34,593 and 18,014.40 is: 24,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.72 : 34,593 = 18,014.40 : x
  2. Step 2: Convert to fraction form
    25,080.72/34,593 = 18,014.40/x
  3. Step 3: Cross multiply
    25,080.72x = 34,593 × 18,014.40
  4. Step 4: Simplify right side
    25,080.72x = 623,172,139.20
  5. Step 5: Solve for x
    x = 623,172,139.20/25,080.72
  6. Step 6: Final answer
    x = 24,846.66

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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.