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Finding the Fourth Proportional to 7,209,003.70, 10,073,709.50 and 7,209,003.70

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Solution

The fourth proportional to 7,209,003.70, 10,073,709.50 and 7,209,003.70 is: 10,073,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,003.70 : 10,073,709.50 = 7,209,003.70 : x
  2. Step 2: Convert to fraction form
    7,209,003.70/10,073,709.50 = 7,209,003.70/x
  3. Step 3: Cross multiply
    7,209,003.70x = 10,073,709.50 × 7,209,003.70
  4. Step 4: Simplify right side
    7,209,003.70x = 72,621,409,058,225.16
  5. Step 5: Solve for x
    x = 72,621,409,058,225.16/7,209,003.70
  6. Step 6: Final answer
    x = 10,073,709.50

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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.