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Finding the Fourth Proportional to 10,465,978.60, 15,698,520.06 and 3,277,353.16

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Solution

The fourth proportional to 10,465,978.60, 15,698,520.06 and 3,277,353.16 is: 4,915,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465,978.60 : 15,698,520.06 = 3,277,353.16 : x
  2. Step 2: Convert to fraction form
    10,465,978.60/15,698,520.06 = 3,277,353.16/x
  3. Step 3: Cross multiply
    10,465,978.60x = 15,698,520.06 × 3,277,353.16
  4. Step 4: Simplify right side
    10,465,978.60x = 51,449,594,325,964.39
  5. Step 5: Solve for x
    x = 51,449,594,325,964.39/10,465,978.60
  6. Step 6: Final answer
    x = 4,915,889.50

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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.