Home / 47,475.09-65,523.83-28,612.22

Finding the Fourth Proportional to 47,475.09, 65,523.83 and 28,612.22

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Solution

The fourth proportional to 47,475.09, 65,523.83 and 28,612.22 is: 39,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.09 : 65,523.83 = 28,612.22 : x
  2. Step 2: Convert to fraction form
    47,475.09/65,523.83 = 28,612.22/x
  3. Step 3: Cross multiply
    47,475.09x = 65,523.83 × 28,612.22
  4. Step 4: Simplify right side
    47,475.09x = 1,874,781,768.52
  5. Step 5: Solve for x
    x = 1,874,781,768.52/47,475.09
  6. Step 6: Final answer
    x = 39,489.80

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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.