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Finding the Fourth Proportional to 6,608,802.54, 9,916,045.20 and 3,578,333.88

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Solution

The fourth proportional to 6,608,802.54, 9,916,045.20 and 3,578,333.88 is: 5,369,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608,802.54 : 9,916,045.20 = 3,578,333.88 : x
  2. Step 2: Convert to fraction form
    6,608,802.54/9,916,045.20 = 3,578,333.88/x
  3. Step 3: Cross multiply
    6,608,802.54x = 9,916,045.20 × 3,578,333.88
  4. Step 4: Simplify right side
    6,608,802.54x = 35,482,920,494,771.38
  5. Step 5: Solve for x
    x = 35,482,920,494,771.38/6,608,802.54
  6. Step 6: Final answer
    x = 5,369,039.29

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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.