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Finding the Fourth Proportional to 53,506.68, 80,383.09 and 37,748.03

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Solution

The fourth proportional to 53,506.68, 80,383.09 and 37,748.03 is: 56,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,506.68 : 80,383.09 = 37,748.03 : x
  2. Step 2: Convert to fraction form
    53,506.68/80,383.09 = 37,748.03/x
  3. Step 3: Cross multiply
    53,506.68x = 80,383.09 × 37,748.03
  4. Step 4: Simplify right side
    53,506.68x = 3,034,303,292.81
  5. Step 5: Solve for x
    x = 3,034,303,292.81/53,506.68
  6. Step 6: Final answer
    x = 56,708.87

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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.