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Finding the Fourth Proportional to 6,242,548.96, 9,364,446.48 and 1,693,669.12

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Solution

The fourth proportional to 6,242,548.96, 9,364,446.48 and 1,693,669.12 is: 2,540,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,548.96 : 9,364,446.48 = 1,693,669.12 : x
  2. Step 2: Convert to fraction form
    6,242,548.96/9,364,446.48 = 1,693,669.12/x
  3. Step 3: Cross multiply
    6,242,548.96x = 9,364,446.48 × 1,693,669.12
  4. Step 4: Simplify right side
    6,242,548.96x = 15,860,273,829,068.70
  5. Step 5: Solve for x
    x = 15,860,273,829,068.70/6,242,548.96
  6. Step 6: Final answer
    x = 2,540,672.72

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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.