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Finding the Fourth Proportional to 17,228.19, 23,780.88 and 10,154.19

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Solution

The fourth proportional to 17,228.19, 23,780.88 and 10,154.19 is: 14,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.19 : 23,780.88 = 10,154.19 : x
  2. Step 2: Convert to fraction form
    17,228.19/23,780.88 = 10,154.19/x
  3. Step 3: Cross multiply
    17,228.19x = 23,780.88 × 10,154.19
  4. Step 4: Simplify right side
    17,228.19x = 241,475,573.89
  5. Step 5: Solve for x
    x = 241,475,573.89/17,228.19
  6. Step 6: Final answer
    x = 14,016.31

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Half scale
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Double scale
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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.