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Finding the Fourth Proportional to 8,697,668.88, 12,002,945.67 and 4,830,552.30

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Solution

The fourth proportional to 8,697,668.88, 12,002,945.67 and 4,830,552.30 is: 6,666,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,668.88 : 12,002,945.67 = 4,830,552.30 : x
  2. Step 2: Convert to fraction form
    8,697,668.88/12,002,945.67 = 4,830,552.30/x
  3. Step 3: Cross multiply
    8,697,668.88x = 12,002,945.67 × 4,830,552.30
  4. Step 4: Simplify right side
    8,697,668.88x = 57,980,856,812,993.54
  5. Step 5: Solve for x
    x = 57,980,856,812,993.54/8,697,668.88
  6. Step 6: Final answer
    x = 6,666,252.49

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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.