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Finding the Fourth Proportional to 5,997,968.80, 8,996,953.20 and 4,492,219.30

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Solution

The fourth proportional to 5,997,968.80, 8,996,953.20 and 4,492,219.30 is: 6,738,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997,968.80 : 8,996,953.20 = 4,492,219.30 : x
  2. Step 2: Convert to fraction form
    5,997,968.80/8,996,953.20 = 4,492,219.30/x
  3. Step 3: Cross multiply
    5,997,968.80x = 8,996,953.20 × 4,492,219.30
  4. Step 4: Simplify right side
    5,997,968.80x = 40,416,286,806,236.76
  5. Step 5: Solve for x
    x = 40,416,286,806,236.76/5,997,968.80
  6. Step 6: Final answer
    x = 6,738,328.95

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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.