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Finding the Fourth Proportional to 57,064.91, 78,762.78 and 33,195.22

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Solution

The fourth proportional to 57,064.91, 78,762.78 and 33,195.22 is: 45,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.91 : 78,762.78 = 33,195.22 : x
  2. Step 2: Convert to fraction form
    57,064.91/78,762.78 = 33,195.22/x
  3. Step 3: Cross multiply
    57,064.91x = 78,762.78 × 33,195.22
  4. Step 4: Simplify right side
    57,064.91x = 2,614,547,613.00
  5. Step 5: Solve for x
    x = 2,614,547,613.00/57,064.91
  6. Step 6: Final answer
    x = 45,817.09

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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.