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Finding the Fourth Proportional to 34,762,342.02, 47,950,211.19 and 20,623,518.45

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Solution

The fourth proportional to 34,762,342.02, 47,950,211.19 and 20,623,518.45 is: 28,447,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,762,342.02 : 47,950,211.19 = 20,623,518.45 : x
  2. Step 2: Convert to fraction form
    34,762,342.02/47,950,211.19 = 20,623,518.45/x
  3. Step 3: Cross multiply
    34,762,342.02x = 47,950,211.19 × 20,623,518.45
  4. Step 4: Simplify right side
    34,762,342.02x = 988,902,065,158,361.38
  5. Step 5: Solve for x
    x = 988,902,065,158,361.38/34,762,342.02
  6. Step 6: Final answer
    x = 28,447,509.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.