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Finding the Fourth Proportional to 6,502,628.63, 9,753,915.09 and 1,644,981.10

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Solution

The fourth proportional to 6,502,628.63, 9,753,915.09 and 1,644,981.10 is: 2,467,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502,628.63 : 9,753,915.09 = 1,644,981.10 : x
  2. Step 2: Convert to fraction form
    6,502,628.63/9,753,915.09 = 1,644,981.10/x
  3. Step 3: Cross multiply
    6,502,628.63x = 9,753,915.09 × 1,644,981.10
  4. Step 4: Simplify right side
    6,502,628.63x = 16,045,005,939,809.07
  5. Step 5: Solve for x
    x = 16,045,005,939,809.07/6,502,628.63
  6. Step 6: Final answer
    x = 2,467,464.60

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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.