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Finding the Fourth Proportional to 36,820.40, 49,785.30 and 36,820.40

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Solution

The fourth proportional to 36,820.40, 49,785.30 and 36,820.40 is: 49,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.40 : 49,785.30 = 36,820.40 : x
  2. Step 2: Convert to fraction form
    36,820.40/49,785.30 = 36,820.40/x
  3. Step 3: Cross multiply
    36,820.40x = 49,785.30 × 36,820.40
  4. Step 4: Simplify right side
    36,820.40x = 1,833,114,660.12
  5. Step 5: Solve for x
    x = 1,833,114,660.12/36,820.40
  6. Step 6: Final answer
    x = 49,785.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.