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Finding the Fourth Proportional to 4,551,309.91, 6,829,658.21 and 1,674,696.71

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Solution

The fourth proportional to 4,551,309.91, 6,829,658.21 and 1,674,696.71 is: 2,513,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551,309.91 : 6,829,658.21 = 1,674,696.71 : x
  2. Step 2: Convert to fraction form
    4,551,309.91/6,829,658.21 = 1,674,696.71/x
  3. Step 3: Cross multiply
    4,551,309.91x = 6,829,658.21 × 1,674,696.71
  4. Step 4: Simplify right side
    4,551,309.91x = 11,437,606,134,711.49
  5. Step 5: Solve for x
    x = 11,437,606,134,711.49/4,551,309.91
  6. Step 6: Final answer
    x = 2,513,036.11

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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.