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Finding the Fourth Proportional to 8,879,506.69, 12,253,719.24 and 4,805,125.69

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Solution

The fourth proportional to 8,879,506.69, 12,253,719.24 and 4,805,125.69 is: 6,631,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,506.69 : 12,253,719.24 = 4,805,125.69 : x
  2. Step 2: Convert to fraction form
    8,879,506.69/12,253,719.24 = 4,805,125.69/x
  3. Step 3: Cross multiply
    8,879,506.69x = 12,253,719.24 × 4,805,125.69
  4. Step 4: Simplify right side
    8,879,506.69x = 58,880,661,094,145.65
  5. Step 5: Solve for x
    x = 58,880,661,094,145.65/8,879,506.69
  6. Step 6: Final answer
    x = 6,631,073.45

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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.