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Finding the Fourth Proportional to 5,809,505.80, 8,713,092.30 and 2,776,865.80

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Solution

The fourth proportional to 5,809,505.80, 8,713,092.30 and 2,776,865.80 is: 4,164,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809,505.80 : 8,713,092.30 = 2,776,865.80 : x
  2. Step 2: Convert to fraction form
    5,809,505.80/8,713,092.30 = 2,776,865.80/x
  3. Step 3: Cross multiply
    5,809,505.80x = 8,713,092.30 × 2,776,865.80
  4. Step 4: Simplify right side
    5,809,505.80x = 24,195,088,020,113.34
  5. Step 5: Solve for x
    x = 24,195,088,020,113.34/5,809,505.80
  6. Step 6: Final answer
    x = 4,164,741.18

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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.