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Finding the Fourth Proportional to 2,762,555.04, 3,812,914.08 and 1,856,612.16

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Solution

The fourth proportional to 2,762,555.04, 3,812,914.08 and 1,856,612.16 is: 2,562,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,555.04 : 3,812,914.08 = 1,856,612.16 : x
  2. Step 2: Convert to fraction form
    2,762,555.04/3,812,914.08 = 1,856,612.16/x
  3. Step 3: Cross multiply
    2,762,555.04x = 3,812,914.08 × 1,856,612.16
  4. Step 4: Simplify right side
    2,762,555.04x = 7,079,102,645,963.21
  5. Step 5: Solve for x
    x = 7,079,102,645,963.21/2,762,555.04
  6. Step 6: Final answer
    x = 2,562,520.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.