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Finding the Fourth Proportional to 30,922,608.40, 46,372,102.80 and 9,350,040.40

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Solution

The fourth proportional to 30,922,608.40, 46,372,102.80 and 9,350,040.40 is: 14,021,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922,608.40 : 46,372,102.80 = 9,350,040.40 : x
  2. Step 2: Convert to fraction form
    30,922,608.40/46,372,102.80 = 9,350,040.40/x
  3. Step 3: Cross multiply
    30,922,608.40x = 46,372,102.80 × 9,350,040.40
  4. Step 4: Simplify right side
    30,922,608.40x = 433,581,034,612,953.12
  5. Step 5: Solve for x
    x = 433,581,034,612,953.12/30,922,608.40
  6. Step 6: Final answer
    x = 14,021,489.68

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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.