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Finding the Fourth Proportional to 6,339,839.98, 9,509,727.16 and 1,547,554.36

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Solution

The fourth proportional to 6,339,839.98, 9,509,727.16 and 1,547,554.36 is: 2,321,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339,839.98 : 9,509,727.16 = 1,547,554.36 : x
  2. Step 2: Convert to fraction form
    6,339,839.98/9,509,727.16 = 1,547,554.36/x
  3. Step 3: Cross multiply
    6,339,839.98x = 9,509,727.16 × 1,547,554.36
  4. Step 4: Simplify right side
    6,339,839.98x = 14,716,819,728,868.42
  5. Step 5: Solve for x
    x = 14,716,819,728,868.42/6,339,839.98
  6. Step 6: Final answer
    x = 2,321,323.53

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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.