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Finding the Fourth Proportional to 16,656.63, 22,975.41 and 9,937.08

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Solution

The fourth proportional to 16,656.63, 22,975.41 and 9,937.08 is: 13,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.63 : 22,975.41 = 9,937.08 : x
  2. Step 2: Convert to fraction form
    16,656.63/22,975.41 = 9,937.08/x
  3. Step 3: Cross multiply
    16,656.63x = 22,975.41 × 9,937.08
  4. Step 4: Simplify right side
    16,656.63x = 228,308,487.20
  5. Step 5: Solve for x
    x = 228,308,487.20/16,656.63
  6. Step 6: Final answer
    x = 13,706.76

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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.