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Finding the Fourth Proportional to 5,381,848.40, 8,063,637.40 and 3,247,447.60

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Solution

The fourth proportional to 5,381,848.40, 8,063,637.40 and 3,247,447.60 is: 4,865,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,848.40 : 8,063,637.40 = 3,247,447.60 : x
  2. Step 2: Convert to fraction form
    5,381,848.40/8,063,637.40 = 3,247,447.60/x
  3. Step 3: Cross multiply
    5,381,848.40x = 8,063,637.40 × 3,247,447.60
  4. Step 4: Simplify right side
    5,381,848.40x = 26,186,239,921,900.24
  5. Step 5: Solve for x
    x = 26,186,239,921,900.24/5,381,848.40
  6. Step 6: Final answer
    x = 4,865,659.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.