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Finding the Fourth Proportional to 4,889,663.60, 7,334,495.40 and 4,448,764.40

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Solution

The fourth proportional to 4,889,663.60, 7,334,495.40 and 4,448,764.40 is: 6,673,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,663.60 : 7,334,495.40 = 4,448,764.40 : x
  2. Step 2: Convert to fraction form
    4,889,663.60/7,334,495.40 = 4,448,764.40/x
  3. Step 3: Cross multiply
    4,889,663.60x = 7,334,495.40 × 4,448,764.40
  4. Step 4: Simplify right side
    4,889,663.60x = 32,629,442,027,483.77
  5. Step 5: Solve for x
    x = 32,629,442,027,483.77/4,889,663.60
  6. Step 6: Final answer
    x = 6,673,146.60

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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.