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Finding the Fourth Proportional to 26,802.52, 36,987.64 and 14,865.88

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Solution

The fourth proportional to 26,802.52, 36,987.64 and 14,865.88 is: 20,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.52 : 36,987.64 = 14,865.88 : x
  2. Step 2: Convert to fraction form
    26,802.52/36,987.64 = 14,865.88/x
  3. Step 3: Cross multiply
    26,802.52x = 36,987.64 × 14,865.88
  4. Step 4: Simplify right side
    26,802.52x = 549,853,882.54
  5. Step 5: Solve for x
    x = 549,853,882.54/26,802.52
  6. Step 6: Final answer
    x = 20,515.01

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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.