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Finding the Fourth Proportional to 17,333.64, 23,918.63 and 9,780.39

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Solution

The fourth proportional to 17,333.64, 23,918.63 and 9,780.39 is: 13,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,333.64 : 23,918.63 = 9,780.39 : x
  2. Step 2: Convert to fraction form
    17,333.64/23,918.63 = 9,780.39/x
  3. Step 3: Cross multiply
    17,333.64x = 23,918.63 × 9,780.39
  4. Step 4: Simplify right side
    17,333.64x = 233,933,480.76
  5. Step 5: Solve for x
    x = 233,933,480.76/17,333.64
  6. Step 6: Final answer
    x = 13,495.92

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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.