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Finding the Fourth Proportional to 91,673.92, 137,511 and 25,114.63

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Solution

The fourth proportional to 91,673.92, 137,511 and 25,114.63 is: 37,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,673.92 : 137,511 = 25,114.63 : x
  2. Step 2: Convert to fraction form
    91,673.92/137,511 = 25,114.63/x
  3. Step 3: Cross multiply
    91,673.92x = 137,511 × 25,114.63
  4. Step 4: Simplify right side
    91,673.92x = 3,453,537,885.93
  5. Step 5: Solve for x
    x = 3,453,537,885.93/91,673.92
  6. Step 6: Final answer
    x = 37,671.98

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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.