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Finding the Fourth Proportional to 8,321,334.70, 11,683,460.90 and 8,321,334.70

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Solution

The fourth proportional to 8,321,334.70, 11,683,460.90 and 8,321,334.70 is: 11,683,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,334.70 : 11,683,460.90 = 8,321,334.70 : x
  2. Step 2: Convert to fraction form
    8,321,334.70/11,683,460.90 = 8,321,334.70/x
  3. Step 3: Cross multiply
    8,321,334.70x = 11,683,460.90 × 8,321,334.70
  4. Step 4: Simplify right side
    8,321,334.70x = 97,221,988,603,263.23
  5. Step 5: Solve for x
    x = 97,221,988,603,263.23/8,321,334.70
  6. Step 6: Final answer
    x = 11,683,460.90

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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.