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Finding the Fourth Proportional to 5,671,873.85, 7,827,279.21 and 3,093,554.61

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Solution

The fourth proportional to 5,671,873.85, 7,827,279.21 and 3,093,554.61 is: 4,269,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671,873.85 : 7,827,279.21 = 3,093,554.61 : x
  2. Step 2: Convert to fraction form
    5,671,873.85/7,827,279.21 = 3,093,554.61/x
  3. Step 3: Cross multiply
    5,671,873.85x = 7,827,279.21 × 3,093,554.61
  4. Step 4: Simplify right side
    5,671,873.85x = 24,214,115,683,852.66
  5. Step 5: Solve for x
    x = 24,214,115,683,852.66/5,671,873.85
  6. Step 6: Final answer
    x = 4,269,156.25

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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.