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Finding the Fourth Proportional to 32,779,749.80, 49,169,624.70 and 12,309,429.80

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Solution

The fourth proportional to 32,779,749.80, 49,169,624.70 and 12,309,429.80 is: 18,464,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779,749.80 : 49,169,624.70 = 12,309,429.80 : x
  2. Step 2: Convert to fraction form
    32,779,749.80/49,169,624.70 = 12,309,429.80/x
  3. Step 3: Cross multiply
    32,779,749.80x = 49,169,624.70 × 12,309,429.80
  4. Step 4: Simplify right side
    32,779,749.80x = 605,250,043,536,996.12
  5. Step 5: Solve for x
    x = 605,250,043,536,996.12/32,779,749.80
  6. Step 6: Final answer
    x = 18,464,144.70

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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.