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Finding the Fourth Proportional to 2,709,766.02, 4,065,332.48 and 1,912,604.52

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Solution

The fourth proportional to 2,709,766.02, 4,065,332.48 and 1,912,604.52 is: 2,869,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,766.02 : 4,065,332.48 = 1,912,604.52 : x
  2. Step 2: Convert to fraction form
    2,709,766.02/4,065,332.48 = 1,912,604.52/x
  3. Step 3: Cross multiply
    2,709,766.02x = 4,065,332.48 × 1,912,604.52
  4. Step 4: Simplify right side
    2,709,766.02x = 7,775,373,276,550.81
  5. Step 5: Solve for x
    x = 7,775,373,276,550.81/2,709,766.02
  6. Step 6: Final answer
    x = 2,869,389.17

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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.