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Finding the Fourth Proportional to 69,090.78, 103,636.19 and 24,714.84

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Solution

The fourth proportional to 69,090.78, 103,636.19 and 24,714.84 is: 37,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.78 : 103,636.19 = 24,714.84 : x
  2. Step 2: Convert to fraction form
    69,090.78/103,636.19 = 24,714.84/x
  3. Step 3: Cross multiply
    69,090.78x = 103,636.19 × 24,714.84
  4. Step 4: Simplify right side
    69,090.78x = 2,561,351,854.06
  5. Step 5: Solve for x
    x = 2,561,351,854.06/69,090.78
  6. Step 6: Final answer
    x = 37,072.27

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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.