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Finding the Fourth Proportional to 6,912,533.70, 10,368,800.55 and 6,912,533.70

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Solution

The fourth proportional to 6,912,533.70, 10,368,800.55 and 6,912,533.70 is: 10,368,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,533.70 : 10,368,800.55 = 6,912,533.70 : x
  2. Step 2: Convert to fraction form
    6,912,533.70/10,368,800.55 = 6,912,533.70/x
  3. Step 3: Cross multiply
    6,912,533.70x = 10,368,800.55 × 6,912,533.70
  4. Step 4: Simplify right side
    6,912,533.70x = 71,674,683,230,453.55
  5. Step 5: Solve for x
    x = 71,674,683,230,453.55/6,912,533.70
  6. Step 6: Final answer
    x = 10,368,800.55

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1.5x scale

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.