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Finding the Fourth Proportional to 9,900,648.42, 14,850,984.24 and 2,712,244.02

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Solution

The fourth proportional to 9,900,648.42, 14,850,984.24 and 2,712,244.02 is: 4,068,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900,648.42 : 14,850,984.24 = 2,712,244.02 : x
  2. Step 2: Convert to fraction form
    9,900,648.42/14,850,984.24 = 2,712,244.02/x
  3. Step 3: Cross multiply
    9,900,648.42x = 14,850,984.24 × 2,712,244.02
  4. Step 4: Simplify right side
    9,900,648.42x = 40,279,493,196,054.24
  5. Step 5: Solve for x
    x = 40,279,493,196,054.24/9,900,648.42
  6. Step 6: Final answer
    x = 4,068,369.21

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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.