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Finding the Fourth Proportional to 7,791,959.15, 10,752,391.22 and 4,483,719.42

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Solution

The fourth proportional to 7,791,959.15, 10,752,391.22 and 4,483,719.42 is: 6,187,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,959.15 : 10,752,391.22 = 4,483,719.42 : x
  2. Step 2: Convert to fraction form
    7,791,959.15/10,752,391.22 = 4,483,719.42/x
  3. Step 3: Cross multiply
    7,791,959.15x = 10,752,391.22 × 4,483,719.42
  4. Step 4: Simplify right side
    7,791,959.15x = 48,210,705,362,641.77
  5. Step 5: Solve for x
    x = 48,210,705,362,641.77/7,791,959.15
  6. Step 6: Final answer
    x = 6,187,237.95

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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.