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Finding the Fourth Proportional to 37,755.01, 52,100.80 and 20,759.28

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Solution

The fourth proportional to 37,755.01, 52,100.80 and 20,759.28 is: 28,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755.01 : 52,100.80 = 20,759.28 : x
  2. Step 2: Convert to fraction form
    37,755.01/52,100.80 = 20,759.28/x
  3. Step 3: Cross multiply
    37,755.01x = 52,100.80 × 20,759.28
  4. Step 4: Simplify right side
    37,755.01x = 1,081,575,095.42
  5. Step 5: Solve for x
    x = 1,081,575,095.42/37,755.01
  6. Step 6: Final answer
    x = 28,647.19

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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.