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Finding the Fourth Proportional to 7,000,623.60, 10,502,101.80 and 2,740,930.80

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Solution

The fourth proportional to 7,000,623.60, 10,502,101.80 and 2,740,930.80 is: 4,111,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,623.60 : 10,502,101.80 = 2,740,930.80 : x
  2. Step 2: Convert to fraction form
    7,000,623.60/10,502,101.80 = 2,740,930.80/x
  3. Step 3: Cross multiply
    7,000,623.60x = 10,502,101.80 × 2,740,930.80
  4. Step 4: Simplify right side
    7,000,623.60x = 28,785,534,288,355.44
  5. Step 5: Solve for x
    x = 28,785,534,288,355.44/7,000,623.60
  6. Step 6: Final answer
    x = 4,111,852.88

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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.