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Finding the Fourth Proportional to 17,340.51, 23,929.81 and 9,789.29

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Solution

The fourth proportional to 17,340.51, 23,929.81 and 9,789.29 is: 13,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.51 : 23,929.81 = 9,789.29 : x
  2. Step 2: Convert to fraction form
    17,340.51/23,929.81 = 9,789.29/x
  3. Step 3: Cross multiply
    17,340.51x = 23,929.81 × 9,789.29
  4. Step 4: Simplify right side
    17,340.51x = 234,255,800.79
  5. Step 5: Solve for x
    x = 234,255,800.79/17,340.51
  6. Step 6: Final answer
    x = 13,509.16

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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.