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Finding the Fourth Proportional to 61,525.95, 84,906.21 and 36,047.40

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Solution

The fourth proportional to 61,525.95, 84,906.21 and 36,047.40 is: 49,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,525.95 : 84,906.21 = 36,047.40 : x
  2. Step 2: Convert to fraction form
    61,525.95/84,906.21 = 36,047.40/x
  3. Step 3: Cross multiply
    61,525.95x = 84,906.21 × 36,047.40
  4. Step 4: Simplify right side
    61,525.95x = 3,060,648,114.35
  5. Step 5: Solve for x
    x = 3,060,648,114.35/61,525.95
  6. Step 6: Final answer
    x = 49,745.65

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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.