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Finding the Fourth Proportional to 58,383.69, 87,587.84 and 18,937.73

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Solution

The fourth proportional to 58,383.69, 87,587.84 and 18,937.73 is: 28,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,383.69 : 87,587.84 = 18,937.73 : x
  2. Step 2: Convert to fraction form
    58,383.69/87,587.84 = 18,937.73/x
  3. Step 3: Cross multiply
    58,383.69x = 87,587.84 × 18,937.73
  4. Step 4: Simplify right side
    58,383.69x = 1,658,714,551.54
  5. Step 5: Solve for x
    x = 1,658,714,551.54/58,383.69
  6. Step 6: Final answer
    x = 28,410.58

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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.