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Finding the Fourth Proportional to 8,484,481.95, 11,708,848.62 and 4,813,553.16

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Solution

The fourth proportional to 8,484,481.95, 11,708,848.62 and 4,813,553.16 is: 6,642,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484,481.95 : 11,708,848.62 = 4,813,553.16 : x
  2. Step 2: Convert to fraction form
    8,484,481.95/11,708,848.62 = 4,813,553.16/x
  3. Step 3: Cross multiply
    8,484,481.95x = 11,708,848.62 × 4,813,553.16
  4. Step 4: Simplify right side
    8,484,481.95x = 56,361,165,274,762.64
  5. Step 5: Solve for x
    x = 56,361,165,274,762.64/8,484,481.95
  6. Step 6: Final answer
    x = 6,642,852.87

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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.