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Finding the Fourth Proportional to 9,883,411.20, 14,833,411.20 and 4,839,033.60

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Solution

The fourth proportional to 9,883,411.20, 14,833,411.20 and 4,839,033.60 is: 7,262,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883,411.20 : 14,833,411.20 = 4,839,033.60 : x
  2. Step 2: Convert to fraction form
    9,883,411.20/14,833,411.20 = 4,839,033.60/x
  3. Step 3: Cross multiply
    9,883,411.20x = 14,833,411.20 × 4,839,033.60
  4. Step 4: Simplify right side
    9,883,411.20x = 71,779,375,199,416.31
  5. Step 5: Solve for x
    x = 71,779,375,199,416.31/9,883,411.20
  6. Step 6: Final answer
    x = 7,262,611.44

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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.