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Finding the Fourth Proportional to 47,274.99, 65,239.50 and 25,764.75

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Solution

The fourth proportional to 47,274.99, 65,239.50 and 25,764.75 is: 35,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.99 : 65,239.50 = 25,764.75 : x
  2. Step 2: Convert to fraction form
    47,274.99/65,239.50 = 25,764.75/x
  3. Step 3: Cross multiply
    47,274.99x = 65,239.50 × 25,764.75
  4. Step 4: Simplify right side
    47,274.99x = 1,680,879,407.63
  5. Step 5: Solve for x
    x = 1,680,879,407.63/47,274.99
  6. Step 6: Final answer
    x = 35,555.36

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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.