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Finding the Fourth Proportional to 17,305.47, 23,881.55 and 9,347.69

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Solution

The fourth proportional to 17,305.47, 23,881.55 and 9,347.69 is: 12,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.47 : 23,881.55 = 9,347.69 : x
  2. Step 2: Convert to fraction form
    17,305.47/23,881.55 = 9,347.69/x
  3. Step 3: Cross multiply
    17,305.47x = 23,881.55 × 9,347.69
  4. Step 4: Simplify right side
    17,305.47x = 223,237,326.12
  5. Step 5: Solve for x
    x = 223,237,326.12/17,305.47
  6. Step 6: Final answer
    x = 12,899.81

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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.