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Finding the Fourth Proportional to 47,611.34, 65,703 and 26,390.16

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Solution

The fourth proportional to 47,611.34, 65,703 and 26,390.16 is: 36,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.34 : 65,703 = 26,390.16 : x
  2. Step 2: Convert to fraction form
    47,611.34/65,703 = 26,390.16/x
  3. Step 3: Cross multiply
    47,611.34x = 65,703 × 26,390.16
  4. Step 4: Simplify right side
    47,611.34x = 1,733,912,682.48
  5. Step 5: Solve for x
    x = 1,733,912,682.48/47,611.34
  6. Step 6: Final answer
    x = 36,418.06

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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.