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Finding the Fourth Proportional to 17,122, 23,630.28 and 9,670.48

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Solution

The fourth proportional to 17,122, 23,630.28 and 9,670.48 is: 13,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122 : 23,630.28 = 9,670.48 : x
  2. Step 2: Convert to fraction form
    17,122/23,630.28 = 9,670.48/x
  3. Step 3: Cross multiply
    17,122x = 23,630.28 × 9,670.48
  4. Step 4: Simplify right side
    17,122x = 228,516,150.13
  5. Step 5: Solve for x
    x = 228,516,150.13/17,122
  6. Step 6: Final answer
    x = 13,346.35

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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.