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Finding the Fourth Proportional to 7,072,978.40, 10,600,546.56 and 3,024,680.48

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Solution

The fourth proportional to 7,072,978.40, 10,600,546.56 and 3,024,680.48 is: 4,533,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,978.40 : 10,600,546.56 = 3,024,680.48 : x
  2. Step 2: Convert to fraction form
    7,072,978.40/10,600,546.56 = 3,024,680.48/x
  3. Step 3: Cross multiply
    7,072,978.40x = 10,600,546.56 × 3,024,680.48
  4. Step 4: Simplify right side
    7,072,978.40x = 32,063,266,257,363.15
  5. Step 5: Solve for x
    x = 32,063,266,257,363.15/7,072,978.40
  6. Step 6: Final answer
    x = 4,533,205.74

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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.