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Finding the Fourth Proportional to 32,996,656.80, 49,518,604.80 and 18,604,447.20

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Solution

The fourth proportional to 32,996,656.80, 49,518,604.80 and 18,604,447.20 is: 27,919,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,996,656.80 : 49,518,604.80 = 18,604,447.20 : x
  2. Step 2: Convert to fraction form
    32,996,656.80/49,518,604.80 = 18,604,447.20/x
  3. Step 3: Cross multiply
    32,996,656.80x = 49,518,604.80 × 18,604,447.20
  4. Step 4: Simplify right side
    32,996,656.80x = 921,266,268,419,266.50
  5. Step 5: Solve for x
    x = 921,266,268,419,266.50/32,996,656.80
  6. Step 6: Final answer
    x = 27,919,988.20

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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.