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Finding the Fourth Proportional to 9,248,978.40, 13,873,467.60 and 2,517,381.60

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Solution

The fourth proportional to 9,248,978.40, 13,873,467.60 and 2,517,381.60 is: 3,776,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248,978.40 : 13,873,467.60 = 2,517,381.60 : x
  2. Step 2: Convert to fraction form
    9,248,978.40/13,873,467.60 = 2,517,381.60/x
  3. Step 3: Cross multiply
    9,248,978.40x = 13,873,467.60 × 2,517,381.60
  4. Step 4: Simplify right side
    9,248,978.40x = 34,924,812,064,436.16
  5. Step 5: Solve for x
    x = 34,924,812,064,436.16/9,248,978.40
  6. Step 6: Final answer
    x = 3,776,072.40

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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.