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Finding the Fourth Proportional to 17,955.52, 24,774.86 and 10,401.40

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Solution

The fourth proportional to 17,955.52, 24,774.86 and 10,401.40 is: 14,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.52 : 24,774.86 = 10,401.40 : x
  2. Step 2: Convert to fraction form
    17,955.52/24,774.86 = 10,401.40/x
  3. Step 3: Cross multiply
    17,955.52x = 24,774.86 × 10,401.40
  4. Step 4: Simplify right side
    17,955.52x = 257,693,228.80
  5. Step 5: Solve for x
    x = 257,693,228.80/17,955.52
  6. Step 6: Final answer
    x = 14,351.76

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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.