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Finding the Fourth Proportional to 55,602.96, 76,739.54 and 32,940.20

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Solution

The fourth proportional to 55,602.96, 76,739.54 and 32,940.20 is: 45,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.96 : 76,739.54 = 32,940.20 : x
  2. Step 2: Convert to fraction form
    55,602.96/76,739.54 = 32,940.20/x
  3. Step 3: Cross multiply
    55,602.96x = 76,739.54 × 32,940.20
  4. Step 4: Simplify right side
    55,602.96x = 2,527,815,795.51
  5. Step 5: Solve for x
    x = 2,527,815,795.51/55,602.96
  6. Step 6: Final answer
    x = 45,461.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.