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Finding the Fourth Proportional to 57,343.08, 79,145.09 and 33,145.08

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Solution

The fourth proportional to 57,343.08, 79,145.09 and 33,145.08 is: 45,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.08 : 79,145.09 = 33,145.08 : x
  2. Step 2: Convert to fraction form
    57,343.08/79,145.09 = 33,145.08/x
  3. Step 3: Cross multiply
    57,343.08x = 79,145.09 × 33,145.08
  4. Step 4: Simplify right side
    57,343.08x = 2,623,270,339.66
  5. Step 5: Solve for x
    x = 2,623,270,339.66/57,343.08
  6. Step 6: Final answer
    x = 45,746.94

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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.