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Finding the Fourth Proportional to 17,305.48, 23,881.57 and 9,347.71

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Solution

The fourth proportional to 17,305.48, 23,881.57 and 9,347.71 is: 12,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.48 : 23,881.57 = 9,347.71 : x
  2. Step 2: Convert to fraction form
    17,305.48/23,881.57 = 9,347.71/x
  3. Step 3: Cross multiply
    17,305.48x = 23,881.57 × 9,347.71
  4. Step 4: Simplify right side
    17,305.48x = 223,237,871.30
  5. Step 5: Solve for x
    x = 223,237,871.30/17,305.48
  6. Step 6: Final answer
    x = 12,899.84

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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.