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Finding the Fourth Proportional to 36,897,280.80, 55,369,540.80 and 21,544,540.80

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Solution

The fourth proportional to 36,897,280.80, 55,369,540.80 and 21,544,540.80 is: 32,330,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897,280.80 : 55,369,540.80 = 21,544,540.80 : x
  2. Step 2: Convert to fraction form
    36,897,280.80/55,369,540.80 = 21,544,540.80/x
  3. Step 3: Cross multiply
    36,897,280.80x = 55,369,540.80 × 21,544,540.80
  4. Step 4: Simplify right side
    36,897,280.80x = 1,192,911,330,842,864.50
  5. Step 5: Solve for x
    x = 1,192,911,330,842,864.50/36,897,280.80
  6. Step 6: Final answer
    x = 32,330,602.82

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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.