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Finding the Fourth Proportional to 8,679,672.16, 12,993,968.03 and 5,793,881.16

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Solution

The fourth proportional to 8,679,672.16, 12,993,968.03 and 5,793,881.16 is: 8,673,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,672.16 : 12,993,968.03 = 5,793,881.16 : x
  2. Step 2: Convert to fraction form
    8,679,672.16/12,993,968.03 = 5,793,881.16/x
  3. Step 3: Cross multiply
    8,679,672.16x = 12,993,968.03 × 5,793,881.16
  4. Step 4: Simplify right side
    8,679,672.16x = 75,285,506,604,144.34
  5. Step 5: Solve for x
    x = 75,285,506,604,144.34/8,679,672.16
  6. Step 6: Final answer
    x = 8,673,773.06

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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.