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Finding the Fourth Proportional to 6,573,769.32, 9,860,654.16 and 1,781,458.41

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Solution

The fourth proportional to 6,573,769.32, 9,860,654.16 and 1,781,458.41 is: 2,672,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573,769.32 : 9,860,654.16 = 1,781,458.41 : x
  2. Step 2: Convert to fraction form
    6,573,769.32/9,860,654.16 = 1,781,458.41/x
  3. Step 3: Cross multiply
    6,573,769.32x = 9,860,654.16 × 1,781,458.41
  4. Step 4: Simplify right side
    6,573,769.32x = 17,566,345,281,433.48
  5. Step 5: Solve for x
    x = 17,566,345,281,433.48/6,573,769.32
  6. Step 6: Final answer
    x = 2,672,187.66

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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.