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Finding the Fourth Proportional to 5,581,570.81, 7,702,041.25 and 3,133,703.77

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Solution

The fourth proportional to 5,581,570.81, 7,702,041.25 and 3,133,703.77 is: 4,324,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,570.81 : 7,702,041.25 = 3,133,703.77 : x
  2. Step 2: Convert to fraction form
    5,581,570.81/7,702,041.25 = 3,133,703.77/x
  3. Step 3: Cross multiply
    5,581,570.81x = 7,702,041.25 × 3,133,703.77
  4. Step 4: Simplify right side
    5,581,570.81x = 24,135,915,701,820.51
  5. Step 5: Solve for x
    x = 24,135,915,701,820.51/5,581,570.81
  6. Step 6: Final answer
    x = 4,324,215.62

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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.