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Finding the Fourth Proportional to 37,051.80, 55,577.70 and 21,451.20

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Solution

The fourth proportional to 37,051.80, 55,577.70 and 21,451.20 is: 32,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051.80 : 55,577.70 = 21,451.20 : x
  2. Step 2: Convert to fraction form
    37,051.80/55,577.70 = 21,451.20/x
  3. Step 3: Cross multiply
    37,051.80x = 55,577.70 × 21,451.20
  4. Step 4: Simplify right side
    37,051.80x = 1,192,208,358.24
  5. Step 5: Solve for x
    x = 1,192,208,358.24/37,051.80
  6. Step 6: Final answer
    x = 32,176.80

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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.