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Finding the Fourth Proportional to 25,318,002.40, 37,978,040.40 and 7,367,106.40

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Solution

The fourth proportional to 25,318,002.40, 37,978,040.40 and 7,367,106.40 is: 11,050,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318,002.40 : 37,978,040.40 = 7,367,106.40 : x
  2. Step 2: Convert to fraction form
    25,318,002.40/37,978,040.40 = 7,367,106.40/x
  3. Step 3: Cross multiply
    25,318,002.40x = 37,978,040.40 × 7,367,106.40
  4. Step 4: Simplify right side
    25,318,002.40x = 279,788,264,490,298.56
  5. Step 5: Solve for x
    x = 279,788,264,490,298.56/25,318,002.40
  6. Step 6: Final answer
    x = 11,050,961.29

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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.