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Finding the Fourth Proportional to 6,392,877.44, 8,822,060.16 and 3,492,193.76

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Solution

The fourth proportional to 6,392,877.44, 8,822,060.16 and 3,492,193.76 is: 4,819,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,877.44 : 8,822,060.16 = 3,492,193.76 : x
  2. Step 2: Convert to fraction form
    6,392,877.44/8,822,060.16 = 3,492,193.76/x
  3. Step 3: Cross multiply
    6,392,877.44x = 8,822,060.16 × 3,492,193.76
  4. Step 4: Simplify right side
    6,392,877.44x = 30,808,343,441,096.60
  5. Step 5: Solve for x
    x = 30,808,343,441,096.60/6,392,877.44
  6. Step 6: Final answer
    x = 4,819,166.91

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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.