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Finding the Fourth Proportional to 11,975,404.60, 17,963,106.90 and 11,051,615.80

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Solution

The fourth proportional to 11,975,404.60, 17,963,106.90 and 11,051,615.80 is: 16,577,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975,404.60 : 17,963,106.90 = 11,051,615.80 : x
  2. Step 2: Convert to fraction form
    11,975,404.60/17,963,106.90 = 11,051,615.80/x
  3. Step 3: Cross multiply
    11,975,404.60x = 17,963,106.90 × 11,051,615.80
  4. Step 4: Simplify right side
    11,975,404.60x = 198,521,356,033,129.03
  5. Step 5: Solve for x
    x = 198,521,356,033,129.03/11,975,404.60
  6. Step 6: Final answer
    x = 16,577,423.70

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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.