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Finding the Fourth Proportional to 29,880,978.67, 41,234,661.90 and 16,649,471.93

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Solution

The fourth proportional to 29,880,978.67, 41,234,661.90 and 16,649,471.93 is: 22,975,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,880,978.67 : 41,234,661.90 = 16,649,471.93 : x
  2. Step 2: Convert to fraction form
    29,880,978.67/41,234,661.90 = 16,649,471.93/x
  3. Step 3: Cross multiply
    29,880,978.67x = 41,234,661.90 × 16,649,471.93
  4. Step 4: Simplify right side
    29,880,978.67x = 686,535,345,847,090.38
  5. Step 5: Solve for x
    x = 686,535,345,847,090.38/29,880,978.67
  6. Step 6: Final answer
    x = 22,975,664.67

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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.