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Finding the Fourth Proportional to 27,496.81, 37,962.80 and 18,897.81

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Solution

The fourth proportional to 27,496.81, 37,962.80 and 18,897.81 is: 26,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,496.81 : 37,962.80 = 18,897.81 : x
  2. Step 2: Convert to fraction form
    27,496.81/37,962.80 = 18,897.81/x
  3. Step 3: Cross multiply
    27,496.81x = 37,962.80 × 18,897.81
  4. Step 4: Simplify right side
    27,496.81x = 717,413,781.47
  5. Step 5: Solve for x
    x = 717,413,781.47/27,496.81
  6. Step 6: Final answer
    x = 26,090.80

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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.