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Finding the Fourth Proportional to 7,387,653.80, 11,081,480.70 and 2,593,749.80

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Solution

The fourth proportional to 7,387,653.80, 11,081,480.70 and 2,593,749.80 is: 3,890,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,653.80 : 11,081,480.70 = 2,593,749.80 : x
  2. Step 2: Convert to fraction form
    7,387,653.80/11,081,480.70 = 2,593,749.80/x
  3. Step 3: Cross multiply
    7,387,653.80x = 11,081,480.70 × 2,593,749.80
  4. Step 4: Simplify right side
    7,387,653.80x = 28,742,588,349,328.86
  5. Step 5: Solve for x
    x = 28,742,588,349,328.86/7,387,653.80
  6. Step 6: Final answer
    x = 3,890,624.70

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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.