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Finding the Fourth Proportional to 6,496,574.40, 9,723,866.40 and 5,068,900.80

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Solution

The fourth proportional to 6,496,574.40, 9,723,866.40 and 5,068,900.80 is: 7,586,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496,574.40 : 9,723,866.40 = 5,068,900.80 : x
  2. Step 2: Convert to fraction form
    6,496,574.40/9,723,866.40 = 5,068,900.80/x
  3. Step 3: Cross multiply
    6,496,574.40x = 9,723,866.40 × 5,068,900.80
  4. Step 4: Simplify right side
    6,496,574.40x = 49,289,314,174,053.12
  5. Step 5: Solve for x
    x = 49,289,314,174,053.12/6,496,574.40
  6. Step 6: Final answer
    x = 7,586,969.86

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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.