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Finding the Fourth Proportional to 27,266.69, 37,646.69 and 20,882.01

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Solution

The fourth proportional to 27,266.69, 37,646.69 and 20,882.01 is: 28,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.69 : 37,646.69 = 20,882.01 : x
  2. Step 2: Convert to fraction form
    27,266.69/37,646.69 = 20,882.01/x
  3. Step 3: Cross multiply
    27,266.69x = 37,646.69 × 20,882.01
  4. Step 4: Simplify right side
    27,266.69x = 786,138,452.64
  5. Step 5: Solve for x
    x = 786,138,452.64/27,266.69
  6. Step 6: Final answer
    x = 28,831.46

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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.