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Finding the Fourth Proportional to 29,361,897.60, 44,042,846.40 and 20,291,971.20

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Solution

The fourth proportional to 29,361,897.60, 44,042,846.40 and 20,291,971.20 is: 30,437,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361,897.60 : 44,042,846.40 = 20,291,971.20 : x
  2. Step 2: Convert to fraction form
    29,361,897.60/44,042,846.40 = 20,291,971.20/x
  3. Step 3: Cross multiply
    29,361,897.60x = 44,042,846.40 × 20,291,971.20
  4. Step 4: Simplify right side
    29,361,897.60x = 893,716,170,714,823.62
  5. Step 5: Solve for x
    x = 893,716,170,714,823.62/29,361,897.60
  6. Step 6: Final answer
    x = 30,437,956.80

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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.