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Finding the Fourth Proportional to 24,927,893.80, 37,391,840.70 and 7,889,900.20

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Solution

The fourth proportional to 24,927,893.80, 37,391,840.70 and 7,889,900.20 is: 11,834,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,927,893.80 : 37,391,840.70 = 7,889,900.20 : x
  2. Step 2: Convert to fraction form
    24,927,893.80/37,391,840.70 = 7,889,900.20/x
  3. Step 3: Cross multiply
    24,927,893.80x = 37,391,840.70 × 7,889,900.20
  4. Step 4: Simplify right side
    24,927,893.80x = 295,017,891,417,298.19
  5. Step 5: Solve for x
    x = 295,017,891,417,298.19/24,927,893.80
  6. Step 6: Final answer
    x = 11,834,850.30

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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.