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Finding the Fourth Proportional to 7,798,993.70, 10,762,409.90 and 4,314,241.68

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Solution

The fourth proportional to 7,798,993.70, 10,762,409.90 and 4,314,241.68 is: 5,953,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798,993.70 : 10,762,409.90 = 4,314,241.68 : x
  2. Step 2: Convert to fraction form
    7,798,993.70/10,762,409.90 = 4,314,241.68/x
  3. Step 3: Cross multiply
    7,798,993.70x = 10,762,409.90 × 4,314,241.68
  4. Step 4: Simplify right side
    7,798,993.70x = 46,431,637,367,824.63
  5. Step 5: Solve for x
    x = 46,431,637,367,824.63/7,798,993.70
  6. Step 6: Final answer
    x = 5,953,542.10

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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.