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Finding the Fourth Proportional to 19,752.76, 27,259.50 and 13,044.28

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Solution

The fourth proportional to 19,752.76, 27,259.50 and 13,044.28 is: 18,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.76 : 27,259.50 = 13,044.28 : x
  2. Step 2: Convert to fraction form
    19,752.76/27,259.50 = 13,044.28/x
  3. Step 3: Cross multiply
    19,752.76x = 27,259.50 × 13,044.28
  4. Step 4: Simplify right side
    19,752.76x = 355,580,550.66
  5. Step 5: Solve for x
    x = 355,580,550.66/19,752.76
  6. Step 6: Final answer
    x = 18,001.56

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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.