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Finding the Fourth Proportional to 38,373,978.80, 57,552,673.80 and 16,808,538.80

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Solution

The fourth proportional to 38,373,978.80, 57,552,673.80 and 16,808,538.80 is: 25,209,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373,978.80 : 57,552,673.80 = 16,808,538.80 : x
  2. Step 2: Convert to fraction form
    38,373,978.80/57,552,673.80 = 16,808,538.80/x
  3. Step 3: Cross multiply
    38,373,978.80x = 57,552,673.80 × 16,808,538.80
  4. Step 4: Simplify right side
    38,373,978.80x = 967,376,350,611,043.38
  5. Step 5: Solve for x
    x = 967,376,350,611,043.38/38,373,978.80
  6. Step 6: Final answer
    x = 25,209,175.09

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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.