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Finding the Fourth Proportional to 17,225.60, 23,770.55 and 9,671.79

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Solution

The fourth proportional to 17,225.60, 23,770.55 and 9,671.79 is: 13,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.60 : 23,770.55 = 9,671.79 : x
  2. Step 2: Convert to fraction form
    17,225.60/23,770.55 = 9,671.79/x
  3. Step 3: Cross multiply
    17,225.60x = 23,770.55 × 9,671.79
  4. Step 4: Simplify right side
    17,225.60x = 229,903,881.10
  5. Step 5: Solve for x
    x = 229,903,881.10/17,225.60
  6. Step 6: Final answer
    x = 13,346.64

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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.