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Finding the Fourth Proportional to 61,903.95, 92,857.74 and 15,156.82

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Solution

The fourth proportional to 61,903.95, 92,857.74 and 15,156.82 is: 22,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.95 : 92,857.74 = 15,156.82 : x
  2. Step 2: Convert to fraction form
    61,903.95/92,857.74 = 15,156.82/x
  3. Step 3: Cross multiply
    61,903.95x = 92,857.74 × 15,156.82
  4. Step 4: Simplify right side
    61,903.95x = 1,407,428,050.79
  5. Step 5: Solve for x
    x = 1,407,428,050.79/61,903.95
  6. Step 6: Final answer
    x = 22,735.67

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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.