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Finding the Fourth Proportional to 37,390.67, 51,598.31 and 20,623.67

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Solution

The fourth proportional to 37,390.67, 51,598.31 and 20,623.67 is: 28,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.67 : 51,598.31 = 20,623.67 : x
  2. Step 2: Convert to fraction form
    37,390.67/51,598.31 = 20,623.67/x
  3. Step 3: Cross multiply
    37,390.67x = 51,598.31 × 20,623.67
  4. Step 4: Simplify right side
    37,390.67x = 1,064,146,414.88
  5. Step 5: Solve for x
    x = 1,064,146,414.88/37,390.67
  6. Step 6: Final answer
    x = 28,460.21

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1.5x scale

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.