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Finding the Fourth Proportional to 57,968.79, 79,996.82 and 32,820.63

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Solution

The fourth proportional to 57,968.79, 79,996.82 and 32,820.63 is: 45,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.79 : 79,996.82 = 32,820.63 : x
  2. Step 2: Convert to fraction form
    57,968.79/79,996.82 = 32,820.63/x
  3. Step 3: Cross multiply
    57,968.79x = 79,996.82 × 32,820.63
  4. Step 4: Simplify right side
    57,968.79x = 2,625,545,866.29
  5. Step 5: Solve for x
    x = 2,625,545,866.29/57,968.79
  6. Step 6: Final answer
    x = 45,292.40

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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.