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Finding the Fourth Proportional to 3,857,552.91, 5,787,615.65 and 2,565,797.81

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Solution

The fourth proportional to 3,857,552.91, 5,787,615.65 and 2,565,797.81 is: 3,849,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,552.91 : 5,787,615.65 = 2,565,797.81 : x
  2. Step 2: Convert to fraction form
    3,857,552.91/5,787,615.65 = 2,565,797.81/x
  3. Step 3: Cross multiply
    3,857,552.91x = 5,787,615.65 × 2,565,797.81
  4. Step 4: Simplify right side
    3,857,552.91x = 14,849,851,518,124.66
  5. Step 5: Solve for x
    x = 14,849,851,518,124.66/3,857,552.91
  6. Step 6: Final answer
    x = 3,849,552.26

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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.