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Finding the Fourth Proportional to 15,661,678.80, 23,473,855.80 and 6,563,758.80

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Solution

The fourth proportional to 15,661,678.80, 23,473,855.80 and 6,563,758.80 is: 9,837,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,678.80 : 23,473,855.80 = 6,563,758.80 : x
  2. Step 2: Convert to fraction form
    15,661,678.80/23,473,855.80 = 6,563,758.80/x
  3. Step 3: Cross multiply
    15,661,678.80x = 23,473,855.80 × 6,563,758.80
  4. Step 4: Simplify right side
    15,661,678.80x = 154,076,727,577,181.03
  5. Step 5: Solve for x
    x = 154,076,727,577,181.03/15,661,678.80
  6. Step 6: Final answer
    x = 9,837,816.85

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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.