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Finding the Fourth Proportional to 37,244.80, 51,397.82 and 20,477.80

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Solution

The fourth proportional to 37,244.80, 51,397.82 and 20,477.80 is: 28,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,244.80 : 51,397.82 = 20,477.80 : x
  2. Step 2: Convert to fraction form
    37,244.80/51,397.82 = 20,477.80/x
  3. Step 3: Cross multiply
    37,244.80x = 51,397.82 × 20,477.80
  4. Step 4: Simplify right side
    37,244.80x = 1,052,514,278.40
  5. Step 5: Solve for x
    x = 1,052,514,278.40/37,244.80
  6. Step 6: Final answer
    x = 28,259.36

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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.