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Finding the Fourth Proportional to 58,556.92, 87,840.24 and 19,113.16

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Solution

The fourth proportional to 58,556.92, 87,840.24 and 19,113.16 is: 28,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,556.92 : 87,840.24 = 19,113.16 : x
  2. Step 2: Convert to fraction form
    58,556.92/87,840.24 = 19,113.16/x
  3. Step 3: Cross multiply
    58,556.92x = 87,840.24 × 19,113.16
  4. Step 4: Simplify right side
    58,556.92x = 1,678,904,561.56
  5. Step 5: Solve for x
    x = 1,678,904,561.56/58,556.92
  6. Step 6: Final answer
    x = 28,671.33

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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.