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Finding the Fourth Proportional to 17,390,640.90, 24,315,010.80 and 17,390,640.90

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Solution

The fourth proportional to 17,390,640.90, 24,315,010.80 and 17,390,640.90 is: 24,315,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390,640.90 : 24,315,010.80 = 17,390,640.90 : x
  2. Step 2: Convert to fraction form
    17,390,640.90/24,315,010.80 = 17,390,640.90/x
  3. Step 3: Cross multiply
    17,390,640.90x = 24,315,010.80 × 17,390,640.90
  4. Step 4: Simplify right side
    17,390,640.90x = 422,853,621,302,421.69
  5. Step 5: Solve for x
    x = 422,853,621,302,421.69/17,390,640.90
  6. Step 6: Final answer
    x = 24,315,010.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.