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Finding the Fourth Proportional to 5,656,786.22, 7,808,009.94 and 3,696,959.10

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Solution

The fourth proportional to 5,656,786.22, 7,808,009.94 and 3,696,959.10 is: 5,102,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,786.22 : 7,808,009.94 = 3,696,959.10 : x
  2. Step 2: Convert to fraction form
    5,656,786.22/7,808,009.94 = 3,696,959.10/x
  3. Step 3: Cross multiply
    5,656,786.22x = 7,808,009.94 × 3,696,959.10
  4. Step 4: Simplify right side
    5,656,786.22x = 28,865,893,400,573.46
  5. Step 5: Solve for x
    x = 28,865,893,400,573.46/5,656,786.22
  6. Step 6: Final answer
    x = 5,102,878.61

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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.