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Finding the Fourth Proportional to 55,743.72, 83,630.16 and 32,347.68

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Solution

The fourth proportional to 55,743.72, 83,630.16 and 32,347.68 is: 48,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.72 : 83,630.16 = 32,347.68 : x
  2. Step 2: Convert to fraction form
    55,743.72/83,630.16 = 32,347.68/x
  3. Step 3: Cross multiply
    55,743.72x = 83,630.16 × 32,347.68
  4. Step 4: Simplify right side
    55,743.72x = 2,705,241,654.03
  5. Step 5: Solve for x
    x = 2,705,241,654.03/55,743.72
  6. Step 6: Final answer
    x = 48,529.98

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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.