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Finding the Fourth Proportional to 4,995,880.64, 7,494,093.48 and 1,583,920.48

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Solution

The fourth proportional to 4,995,880.64, 7,494,093.48 and 1,583,920.48 is: 2,375,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995,880.64 : 7,494,093.48 = 1,583,920.48 : x
  2. Step 2: Convert to fraction form
    4,995,880.64/7,494,093.48 = 1,583,920.48/x
  3. Step 3: Cross multiply
    4,995,880.64x = 7,494,093.48 × 1,583,920.48
  4. Step 4: Simplify right side
    4,995,880.64x = 11,870,048,142,006.47
  5. Step 5: Solve for x
    x = 11,870,048,142,006.47/4,995,880.64
  6. Step 6: Final answer
    x = 2,375,967.12

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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.