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Finding the Fourth Proportional to 2,888,808.71, 3,986,676.14 and 1,599,649.07

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Solution

The fourth proportional to 2,888,808.71, 3,986,676.14 and 1,599,649.07 is: 2,207,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,808.71 : 3,986,676.14 = 1,599,649.07 : x
  2. Step 2: Convert to fraction form
    2,888,808.71/3,986,676.14 = 1,599,649.07/x
  3. Step 3: Cross multiply
    2,888,808.71x = 3,986,676.14 × 1,599,649.07
  4. Step 4: Simplify right side
    2,888,808.71x = 6,377,282,751,810.56
  5. Step 5: Solve for x
    x = 6,377,282,751,810.56/2,888,808.71
  6. Step 6: Final answer
    x = 2,207,582.23

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1.5x scale

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.