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Finding the Fourth Proportional to 13,835,411.59, 20,765,711.01 and 7,363,920.03

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Solution

The fourth proportional to 13,835,411.59, 20,765,711.01 and 7,363,920.03 is: 11,052,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,411.59 : 20,765,711.01 = 7,363,920.03 : x
  2. Step 2: Convert to fraction form
    13,835,411.59/20,765,711.01 = 7,363,920.03/x
  3. Step 3: Cross multiply
    13,835,411.59x = 20,765,711.01 × 7,363,920.03
  4. Step 4: Simplify right side
    13,835,411.59x = 152,917,035,243,730.56
  5. Step 5: Solve for x
    x = 152,917,035,243,730.56/13,835,411.59
  6. Step 6: Final answer
    x = 11,052,583.02

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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.