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Finding the Fourth Proportional to 18,602,571.84, 27,902,053.53 and 5,648,834.67

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Solution

The fourth proportional to 18,602,571.84, 27,902,053.53 and 5,648,834.67 is: 8,472,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602,571.84 : 27,902,053.53 = 5,648,834.67 : x
  2. Step 2: Convert to fraction form
    18,602,571.84/27,902,053.53 = 5,648,834.67/x
  3. Step 3: Cross multiply
    18,602,571.84x = 27,902,053.53 × 5,648,834.67
  4. Step 4: Simplify right side
    18,602,571.84x = 157,614,087,344,459.88
  5. Step 5: Solve for x
    x = 157,614,087,344,459.88/18,602,571.84
  6. Step 6: Final answer
    x = 8,472,704.13

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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.