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Finding the Fourth Proportional to 6,382,487.70, 9,573,731.55 and 1,894,763.70

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Solution

The fourth proportional to 6,382,487.70, 9,573,731.55 and 1,894,763.70 is: 2,842,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,487.70 : 9,573,731.55 = 1,894,763.70 : x
  2. Step 2: Convert to fraction form
    6,382,487.70/9,573,731.55 = 1,894,763.70/x
  3. Step 3: Cross multiply
    6,382,487.70x = 9,573,731.55 × 1,894,763.70
  4. Step 4: Simplify right side
    6,382,487.70x = 18,139,959,014,484.73
  5. Step 5: Solve for x
    x = 18,139,959,014,484.73/6,382,487.70
  6. Step 6: Final answer
    x = 2,842,145.55

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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.