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Finding the Fourth Proportional to 20,402,983.03, 30,604,474.54 and 20,402,983.03

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Solution

The fourth proportional to 20,402,983.03, 30,604,474.54 and 20,402,983.03 is: 30,604,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,983.03 : 30,604,474.54 = 20,402,983.03 : x
  2. Step 2: Convert to fraction form
    20,402,983.03/30,604,474.54 = 20,402,983.03/x
  3. Step 3: Cross multiply
    20,402,983.03x = 30,604,474.54 × 20,402,983.03
  4. Step 4: Simplify right side
    20,402,983.03x = 624,422,574,528,664.62
  5. Step 5: Solve for x
    x = 624,422,574,528,664.62/20,402,983.03
  6. Step 6: Final answer
    x = 30,604,474.54

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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.