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Finding the Fourth Proportional to 57,798.52, 86,715.26 and 40,964.09

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Solution

The fourth proportional to 57,798.52, 86,715.26 and 40,964.09 is: 61,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.52 : 86,715.26 = 40,964.09 : x
  2. Step 2: Convert to fraction form
    57,798.52/86,715.26 = 40,964.09/x
  3. Step 3: Cross multiply
    57,798.52x = 86,715.26 × 40,964.09
  4. Step 4: Simplify right side
    57,798.52x = 3,552,211,715.01
  5. Step 5: Solve for x
    x = 3,552,211,715.01/57,798.52
  6. Step 6: Final answer
    x = 61,458.52

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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.