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Finding the Fourth Proportional to 7,344,004.20, 10,991,123.10 and 7,344,004.20

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Solution

The fourth proportional to 7,344,004.20, 10,991,123.10 and 7,344,004.20 is: 10,991,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,004.20 : 10,991,123.10 = 7,344,004.20 : x
  2. Step 2: Convert to fraction form
    7,344,004.20/10,991,123.10 = 7,344,004.20/x
  3. Step 3: Cross multiply
    7,344,004.20x = 10,991,123.10 × 7,344,004.20
  4. Step 4: Simplify right side
    7,344,004.20x = 80,718,854,209,117.02
  5. Step 5: Solve for x
    x = 80,718,854,209,117.02/7,344,004.20
  6. Step 6: Final answer
    x = 10,991,123.10

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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.