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Finding the Fourth Proportional to 7,492,687.30, 10,339,908.29 and 4,054,928.30

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Solution

The fourth proportional to 7,492,687.30, 10,339,908.29 and 4,054,928.30 is: 5,595,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492,687.30 : 10,339,908.29 = 4,054,928.30 : x
  2. Step 2: Convert to fraction form
    7,492,687.30/10,339,908.29 = 4,054,928.30/x
  3. Step 3: Cross multiply
    7,492,687.30x = 10,339,908.29 × 4,054,928.30
  4. Step 4: Simplify right side
    7,492,687.30x = 41,927,586,744,525.60
  5. Step 5: Solve for x
    x = 41,927,586,744,525.60/7,492,687.30
  6. Step 6: Final answer
    x = 5,595,800.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.