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Finding the Fourth Proportional to 17,784,378.90, 24,542,445.48 and 9,635,616.90

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Solution

The fourth proportional to 17,784,378.90, 24,542,445.48 and 9,635,616.90 is: 13,297,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784,378.90 : 24,542,445.48 = 9,635,616.90 : x
  2. Step 2: Convert to fraction form
    17,784,378.90/24,542,445.48 = 9,635,616.90/x
  3. Step 3: Cross multiply
    17,784,378.90x = 24,542,445.48 × 9,635,616.90
  4. Step 4: Simplify right side
    17,784,378.90x = 236,481,602,434,416.62
  5. Step 5: Solve for x
    x = 236,481,602,434,416.62/17,784,378.90
  6. Step 6: Final answer
    x = 13,297,152.73

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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.