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Finding the Fourth Proportional to 47,191.94, 65,124.84 and 25,971.21

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Solution

The fourth proportional to 47,191.94, 65,124.84 and 25,971.21 is: 35,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,191.94 : 65,124.84 = 25,971.21 : x
  2. Step 2: Convert to fraction form
    47,191.94/65,124.84 = 25,971.21/x
  3. Step 3: Cross multiply
    47,191.94x = 65,124.84 × 25,971.21
  4. Step 4: Simplify right side
    47,191.94x = 1,691,370,570.23
  5. Step 5: Solve for x
    x = 1,691,370,570.23/47,191.94
  6. Step 6: Final answer
    x = 35,840.24

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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.