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Finding the Fourth Proportional to 35,785.60, 53,613.60 and 30,601.60

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Solution

The fourth proportional to 35,785.60, 53,613.60 and 30,601.60 is: 45,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.60 : 53,613.60 = 30,601.60 : x
  2. Step 2: Convert to fraction form
    35,785.60/53,613.60 = 30,601.60/x
  3. Step 3: Cross multiply
    35,785.60x = 53,613.60 × 30,601.60
  4. Step 4: Simplify right side
    35,785.60x = 1,640,661,941.76
  5. Step 5: Solve for x
    x = 1,640,661,941.76/35,785.60
  6. Step 6: Final answer
    x = 45,846.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.