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Finding the Fourth Proportional to 9,743,430.80, 13,663,198 and 9,743,430.80

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Solution

The fourth proportional to 9,743,430.80, 13,663,198 and 9,743,430.80 is: 13,663,198

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743,430.80 : 13,663,198 = 9,743,430.80 : x
  2. Step 2: Convert to fraction form
    9,743,430.80/13,663,198 = 9,743,430.80/x
  3. Step 3: Cross multiply
    9,743,430.80x = 13,663,198 × 9,743,430.80
  4. Step 4: Simplify right side
    9,743,430.80x = 133,126,424,219,698.41
  5. Step 5: Solve for x
    x = 133,126,424,219,698.41/9,743,430.80
  6. Step 6: Final answer
    x = 13,663,198

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1.5x scale

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.