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Finding the Fourth Proportional to 58,429.67, 80,649.49 and 34,564.64

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Solution

The fourth proportional to 58,429.67, 80,649.49 and 34,564.64 is: 47,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,429.67 : 80,649.49 = 34,564.64 : x
  2. Step 2: Convert to fraction form
    58,429.67/80,649.49 = 34,564.64/x
  3. Step 3: Cross multiply
    58,429.67x = 80,649.49 × 34,564.64
  4. Step 4: Simplify right side
    58,429.67x = 2,787,620,588.03
  5. Step 5: Solve for x
    x = 2,787,620,588.03/58,429.67
  6. Step 6: Final answer
    x = 47,708.99

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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.