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Finding the Fourth Proportional to 4,970,424.60, 7,445,139.30 and 4,970,424.60

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Solution

The fourth proportional to 4,970,424.60, 7,445,139.30 and 4,970,424.60 is: 7,445,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970,424.60 : 7,445,139.30 = 4,970,424.60 : x
  2. Step 2: Convert to fraction form
    4,970,424.60/7,445,139.30 = 4,970,424.60/x
  3. Step 3: Cross multiply
    4,970,424.60x = 7,445,139.30 × 4,970,424.60
  4. Step 4: Simplify right side
    4,970,424.60x = 37,005,503,527,146.77
  5. Step 5: Solve for x
    x = 37,005,503,527,146.77/4,970,424.60
  6. Step 6: Final answer
    x = 7,445,139.30

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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.