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Finding the Fourth Proportional to 58,419.60, 87,629.40 and 16,299.60

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Solution

The fourth proportional to 58,419.60, 87,629.40 and 16,299.60 is: 24,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419.60 : 87,629.40 = 16,299.60 : x
  2. Step 2: Convert to fraction form
    58,419.60/87,629.40 = 16,299.60/x
  3. Step 3: Cross multiply
    58,419.60x = 87,629.40 × 16,299.60
  4. Step 4: Simplify right side
    58,419.60x = 1,428,324,168.24
  5. Step 5: Solve for x
    x = 1,428,324,168.24/58,419.60
  6. Step 6: Final answer
    x = 24,449.40

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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.