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Finding the Fourth Proportional to 7,765,731.04, 11,648,596.64 and 2,374,381.60

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Solution

The fourth proportional to 7,765,731.04, 11,648,596.64 and 2,374,381.60 is: 3,561,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765,731.04 : 11,648,596.64 = 2,374,381.60 : x
  2. Step 2: Convert to fraction form
    7,765,731.04/11,648,596.64 = 2,374,381.60/x
  3. Step 3: Cross multiply
    7,765,731.04x = 11,648,596.64 × 2,374,381.60
  4. Step 4: Simplify right side
    7,765,731.04x = 27,658,213,527,837.83
  5. Step 5: Solve for x
    x = 27,658,213,527,837.83/7,765,731.04
  6. Step 6: Final answer
    x = 3,561,572.42

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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.