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Finding the Fourth Proportional to 42,679.99, 58,899.99 and 23,820.76

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Solution

The fourth proportional to 42,679.99, 58,899.99 and 23,820.76 is: 32,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679.99 : 58,899.99 = 23,820.76 : x
  2. Step 2: Convert to fraction form
    42,679.99/58,899.99 = 23,820.76/x
  3. Step 3: Cross multiply
    42,679.99x = 58,899.99 × 23,820.76
  4. Step 4: Simplify right side
    42,679.99x = 1,403,042,525.79
  5. Step 5: Solve for x
    x = 1,403,042,525.79/42,679.99
  6. Step 6: Final answer
    x = 32,873.54

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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.