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Finding the Fourth Proportional to 17,858.61, 24,645.06 and 9,901.58

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Solution

The fourth proportional to 17,858.61, 24,645.06 and 9,901.58 is: 13,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.61 : 24,645.06 = 9,901.58 : x
  2. Step 2: Convert to fraction form
    17,858.61/24,645.06 = 9,901.58/x
  3. Step 3: Cross multiply
    17,858.61x = 24,645.06 × 9,901.58
  4. Step 4: Simplify right side
    17,858.61x = 244,024,909.97
  5. Step 5: Solve for x
    x = 244,024,909.97/17,858.61
  6. Step 6: Final answer
    x = 13,664.27

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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.