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Finding the Fourth Proportional to 7,703,347.95, 10,630,489.95 and 4,265,515.17

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Solution

The fourth proportional to 7,703,347.95, 10,630,489.95 and 4,265,515.17 is: 5,886,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703,347.95 : 10,630,489.95 = 4,265,515.17 : x
  2. Step 2: Convert to fraction form
    7,703,347.95/10,630,489.95 = 4,265,515.17/x
  3. Step 3: Cross multiply
    7,703,347.95x = 10,630,489.95 × 4,265,515.17
  4. Step 4: Simplify right side
    7,703,347.95x = 45,344,516,146,257.54
  5. Step 5: Solve for x
    x = 45,344,516,146,257.54/7,703,347.95
  6. Step 6: Final answer
    x = 5,886,338.83

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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.