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Finding the Fourth Proportional to 58,683.60, 87,986.93 and 33,383.66

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Solution

The fourth proportional to 58,683.60, 87,986.93 and 33,383.66 is: 50,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,683.60 : 87,986.93 = 33,383.66 : x
  2. Step 2: Convert to fraction form
    58,683.60/87,986.93 = 33,383.66/x
  3. Step 3: Cross multiply
    58,683.60x = 87,986.93 × 33,383.66
  4. Step 4: Simplify right side
    58,683.60x = 2,937,325,148.71
  5. Step 5: Solve for x
    x = 2,937,325,148.71/58,683.60
  6. Step 6: Final answer
    x = 50,053.60

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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.