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Finding the Fourth Proportional to 9,679,699.60, 14,520,931.80 and 3,290,246.80

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Solution

The fourth proportional to 9,679,699.60, 14,520,931.80 and 3,290,246.80 is: 4,935,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,699.60 : 14,520,931.80 = 3,290,246.80 : x
  2. Step 2: Convert to fraction form
    9,679,699.60/14,520,931.80 = 3,290,246.80/x
  3. Step 3: Cross multiply
    9,679,699.60x = 14,520,931.80 × 3,290,246.80
  4. Step 4: Simplify right side
    9,679,699.60x = 47,777,449,387,968.24
  5. Step 5: Solve for x
    x = 47,777,449,387,968.24/9,679,699.60
  6. Step 6: Final answer
    x = 4,935,840.09

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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.