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Finding the Fourth Proportional to 2,736,640.54, 3,776,401.63 and 1,512,873.08

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Solution

The fourth proportional to 2,736,640.54, 3,776,401.63 and 1,512,873.08 is: 2,087,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,640.54 : 3,776,401.63 = 1,512,873.08 : x
  2. Step 2: Convert to fraction form
    2,736,640.54/3,776,401.63 = 1,512,873.08/x
  3. Step 3: Cross multiply
    2,736,640.54x = 3,776,401.63 × 1,512,873.08
  4. Step 4: Simplify right side
    2,736,640.54x = 5,713,216,362,465.71
  5. Step 5: Solve for x
    x = 5,713,216,362,465.71/2,736,640.54
  6. Step 6: Final answer
    x = 2,087,675.12

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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.