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Finding the Fourth Proportional to 37,978,486.55, 56,967,730.52 and 9,224,428.38

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Solution

The fourth proportional to 37,978,486.55, 56,967,730.52 and 9,224,428.38 is: 13,836,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978,486.55 : 56,967,730.52 = 9,224,428.38 : x
  2. Step 2: Convert to fraction form
    37,978,486.55/56,967,730.52 = 9,224,428.38/x
  3. Step 3: Cross multiply
    37,978,486.55x = 56,967,730.52 × 9,224,428.38
  4. Step 4: Simplify right side
    37,978,486.55x = 525,494,750,213,572.56
  5. Step 5: Solve for x
    x = 525,494,750,213,572.56/37,978,486.55
  6. Step 6: Final answer
    x = 13,836,642.74

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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.