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Finding the Fourth Proportional to 6,602,415.60, 9,891,813.60 and 5,657,631.60

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Solution

The fourth proportional to 6,602,415.60, 9,891,813.60 and 5,657,631.60 is: 8,476,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,415.60 : 9,891,813.60 = 5,657,631.60 : x
  2. Step 2: Convert to fraction form
    6,602,415.60/9,891,813.60 = 5,657,631.60/x
  3. Step 3: Cross multiply
    6,602,415.60x = 9,891,813.60 × 5,657,631.60
  4. Step 4: Simplify right side
    6,602,415.60x = 55,964,237,204,669.76
  5. Step 5: Solve for x
    x = 55,964,237,204,669.76/6,602,415.60
  6. Step 6: Final answer
    x = 8,476,327.54

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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.