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Finding the Fourth Proportional to 7,797,566.46, 11,699,005.60 and 4,203,678.90

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Solution

The fourth proportional to 7,797,566.46, 11,699,005.60 and 4,203,678.90 is: 6,306,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,566.46 : 11,699,005.60 = 4,203,678.90 : x
  2. Step 2: Convert to fraction form
    7,797,566.46/11,699,005.60 = 4,203,678.90/x
  3. Step 3: Cross multiply
    7,797,566.46x = 11,699,005.60 × 4,203,678.90
  4. Step 4: Simplify right side
    7,797,566.46x = 49,178,862,991,701.84
  5. Step 5: Solve for x
    x = 49,178,862,991,701.84/7,797,566.46
  6. Step 6: Final answer
    x = 6,306,950.15

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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.