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Finding the Fourth Proportional to 3,783,148.80, 5,673,724.80 and 1,888,492.80

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Solution

The fourth proportional to 3,783,148.80, 5,673,724.80 and 1,888,492.80 is: 2,832,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,148.80 : 5,673,724.80 = 1,888,492.80 : x
  2. Step 2: Convert to fraction form
    3,783,148.80/5,673,724.80 = 1,888,492.80/x
  3. Step 3: Cross multiply
    3,783,148.80x = 5,673,724.80 × 1,888,492.80
  4. Step 4: Simplify right side
    3,783,148.80x = 10,714,788,433,981.44
  5. Step 5: Solve for x
    x = 10,714,788,433,981.44/3,783,148.80
  6. Step 6: Final answer
    x = 2,832,240.81

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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.