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Finding the Fourth Proportional to 58,666, 80,959.44 and 33,530.08

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Solution

The fourth proportional to 58,666, 80,959.44 and 33,530.08 is: 46,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666 : 80,959.44 = 33,530.08 : x
  2. Step 2: Convert to fraction form
    58,666/80,959.44 = 33,530.08/x
  3. Step 3: Cross multiply
    58,666x = 80,959.44 × 33,530.08
  4. Step 4: Simplify right side
    58,666x = 2,714,576,499.96
  5. Step 5: Solve for x
    x = 2,714,576,499.96/58,666
  6. Step 6: Final answer
    x = 46,271.72

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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.