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Finding the Fourth Proportional to 11,700,720.40, 17,530,085.40 and 10,021,104.40

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Solution

The fourth proportional to 11,700,720.40, 17,530,085.40 and 10,021,104.40 is: 15,013,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,720.40 : 17,530,085.40 = 10,021,104.40 : x
  2. Step 2: Convert to fraction form
    11,700,720.40/17,530,085.40 = 10,021,104.40/x
  3. Step 3: Cross multiply
    11,700,720.40x = 17,530,085.40 × 10,021,104.40
  4. Step 4: Simplify right side
    11,700,720.40x = 175,670,815,934,315.75
  5. Step 5: Solve for x
    x = 175,670,815,934,315.75/11,700,720.40
  6. Step 6: Final answer
    x = 15,013,675.22

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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.