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Finding the Fourth Proportional to 49,301.80, 66,615.75 and 49,301.80

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Solution

The fourth proportional to 49,301.80, 66,615.75 and 49,301.80 is: 66,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,301.80 : 66,615.75 = 49,301.80 : x
  2. Step 2: Convert to fraction form
    49,301.80/66,615.75 = 49,301.80/x
  3. Step 3: Cross multiply
    49,301.80x = 66,615.75 × 49,301.80
  4. Step 4: Simplify right side
    49,301.80x = 3,284,276,383.35
  5. Step 5: Solve for x
    x = 3,284,276,383.35/49,301.80
  6. Step 6: Final answer
    x = 66,615.75

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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.