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Finding the Fourth Proportional to 5,602,787.70, 8,404,181.55 and 5,124,490.80

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Solution

The fourth proportional to 5,602,787.70, 8,404,181.55 and 5,124,490.80 is: 7,686,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,787.70 : 8,404,181.55 = 5,124,490.80 : x
  2. Step 2: Convert to fraction form
    5,602,787.70/8,404,181.55 = 5,124,490.80/x
  3. Step 3: Cross multiply
    5,602,787.70x = 8,404,181.55 × 5,124,490.80
  4. Step 4: Simplify right side
    5,602,787.70x = 43,067,151,034,504.74
  5. Step 5: Solve for x
    x = 43,067,151,034,504.74/5,602,787.70
  6. Step 6: Final answer
    x = 7,686,736.20

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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.