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Finding the Fourth Proportional to 91,672.92, 137,509.50 and 25,113.63

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Solution

The fourth proportional to 91,672.92, 137,509.50 and 25,113.63 is: 37,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,672.92 : 137,509.50 = 25,113.63 : x
  2. Step 2: Convert to fraction form
    91,672.92/137,509.50 = 25,113.63/x
  3. Step 3: Cross multiply
    91,672.92x = 137,509.50 × 25,113.63
  4. Step 4: Simplify right side
    91,672.92x = 3,453,362,578.92
  5. Step 5: Solve for x
    x = 3,453,362,578.92/91,672.92
  6. Step 6: Final answer
    x = 37,670.48

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1.5x scale

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.