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Finding the Fourth Proportional to 17,483.88, 24,127.80 and 9,930.21

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Solution

The fourth proportional to 17,483.88, 24,127.80 and 9,930.21 is: 13,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,483.88 : 24,127.80 = 9,930.21 : x
  2. Step 2: Convert to fraction form
    17,483.88/24,127.80 = 9,930.21/x
  3. Step 3: Cross multiply
    17,483.88x = 24,127.80 × 9,930.21
  4. Step 4: Simplify right side
    17,483.88x = 239,594,120.84
  5. Step 5: Solve for x
    x = 239,594,120.84/17,483.88
  6. Step 6: Final answer
    x = 13,703.72

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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.