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Finding the Fourth Proportional to 7,859,972.08, 10,846,684.80 and 4,375,255.60

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Solution

The fourth proportional to 7,859,972.08, 10,846,684.80 and 4,375,255.60 is: 6,037,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,972.08 : 10,846,684.80 = 4,375,255.60 : x
  2. Step 2: Convert to fraction form
    7,859,972.08/10,846,684.80 = 4,375,255.60/x
  3. Step 3: Cross multiply
    7,859,972.08x = 10,846,684.80 × 4,375,255.60
  4. Step 4: Simplify right side
    7,859,972.08x = 47,457,018,412,634.88
  5. Step 5: Solve for x
    x = 47,457,018,412,634.88/7,859,972.08
  6. Step 6: Final answer
    x = 6,037,810.05

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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.