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Finding the Fourth Proportional to 47,197.80, 65,079.48 and 36,418.32

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Solution

The fourth proportional to 47,197.80, 65,079.48 and 36,418.32 is: 50,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,197.80 : 65,079.48 = 36,418.32 : x
  2. Step 2: Convert to fraction form
    47,197.80/65,079.48 = 36,418.32/x
  3. Step 3: Cross multiply
    47,197.80x = 65,079.48 × 36,418.32
  4. Step 4: Simplify right side
    47,197.80x = 2,370,085,328.07
  5. Step 5: Solve for x
    x = 2,370,085,328.07/47,197.80
  6. Step 6: Final answer
    x = 50,216.01

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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.