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Finding the Fourth Proportional to 58,419.70, 87,629.55 and 36,160.90

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Solution

The fourth proportional to 58,419.70, 87,629.55 and 36,160.90 is: 54,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419.70 : 87,629.55 = 36,160.90 : x
  2. Step 2: Convert to fraction form
    58,419.70/87,629.55 = 36,160.90/x
  3. Step 3: Cross multiply
    58,419.70x = 87,629.55 × 36,160.90
  4. Step 4: Simplify right side
    58,419.70x = 3,168,763,394.60
  5. Step 5: Solve for x
    x = 3,168,763,394.60/58,419.70
  6. Step 6: Final answer
    x = 54,241.35

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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.