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Finding the Fourth Proportional to 6,935,366.88, 9,571,178.16 and 3,879,398.88

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Solution

The fourth proportional to 6,935,366.88, 9,571,178.16 and 3,879,398.88 is: 5,353,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935,366.88 : 9,571,178.16 = 3,879,398.88 : x
  2. Step 2: Convert to fraction form
    6,935,366.88/9,571,178.16 = 3,879,398.88/x
  3. Step 3: Cross multiply
    6,935,366.88x = 9,571,178.16 × 3,879,398.88
  4. Step 4: Simplify right side
    6,935,366.88x = 37,130,417,834,184.46
  5. Step 5: Solve for x
    x = 37,130,417,834,184.46/6,935,366.88
  6. Step 6: Final answer
    x = 5,353,778.46

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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.