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Finding the Fourth Proportional to 6,598,981.07, 9,106,950.80 and 3,699,303.38

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Solution

The fourth proportional to 6,598,981.07, 9,106,950.80 and 3,699,303.38 is: 5,105,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598,981.07 : 9,106,950.80 = 3,699,303.38 : x
  2. Step 2: Convert to fraction form
    6,598,981.07/9,106,950.80 = 3,699,303.38/x
  3. Step 3: Cross multiply
    6,598,981.07x = 9,106,950.80 × 3,699,303.38
  4. Step 4: Simplify right side
    6,598,981.07x = 33,689,373,857,437.19
  5. Step 5: Solve for x
    x = 33,689,373,857,437.19/6,598,981.07
  6. Step 6: Final answer
    x = 5,105,238.75

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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.