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Finding the Fourth Proportional to 44,668.80, 67,018.56 and 28,008.80

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Solution

The fourth proportional to 44,668.80, 67,018.56 and 28,008.80 is: 42,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,668.80 : 67,018.56 = 28,008.80 : x
  2. Step 2: Convert to fraction form
    44,668.80/67,018.56 = 28,008.80/x
  3. Step 3: Cross multiply
    44,668.80x = 67,018.56 × 28,008.80
  4. Step 4: Simplify right side
    44,668.80x = 1,877,109,443.33
  5. Step 5: Solve for x
    x = 1,877,109,443.33/44,668.80
  6. Step 6: Final answer
    x = 42,022.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.