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Finding the Fourth Proportional to 7,392,807.60, 11,072,622.60 and 6,065,703.60

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Solution

The fourth proportional to 7,392,807.60, 11,072,622.60 and 6,065,703.60 is: 9,084,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,807.60 : 11,072,622.60 = 6,065,703.60 : x
  2. Step 2: Convert to fraction form
    7,392,807.60/11,072,622.60 = 6,065,703.60/x
  3. Step 3: Cross multiply
    7,392,807.60x = 11,072,622.60 × 6,065,703.60
  4. Step 4: Simplify right side
    7,392,807.60x = 67,163,246,766,261.35
  5. Step 5: Solve for x
    x = 67,163,246,766,261.35/7,392,807.60
  6. Step 6: Final answer
    x = 9,084,944.50

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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.