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Finding the Fourth Proportional to 5,799,772.80, 8,691,364.80 and 4,271,529.60

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Solution

The fourth proportional to 5,799,772.80, 8,691,364.80 and 4,271,529.60 is: 6,401,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799,772.80 : 8,691,364.80 = 4,271,529.60 : x
  2. Step 2: Convert to fraction form
    5,799,772.80/8,691,364.80 = 4,271,529.60/x
  3. Step 3: Cross multiply
    5,799,772.80x = 8,691,364.80 × 4,271,529.60
  4. Step 4: Simplify right side
    5,799,772.80x = 37,125,422,007,598.08
  5. Step 5: Solve for x
    x = 37,125,422,007,598.08/5,799,772.80
  6. Step 6: Final answer
    x = 6,401,185.58

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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.