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Finding the Fourth Proportional to 58,500.63, 87,760.06 and 19,048.57

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Solution

The fourth proportional to 58,500.63, 87,760.06 and 19,048.57 is: 28,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,500.63 : 87,760.06 = 19,048.57 : x
  2. Step 2: Convert to fraction form
    58,500.63/87,760.06 = 19,048.57/x
  3. Step 3: Cross multiply
    58,500.63x = 87,760.06 × 19,048.57
  4. Step 4: Simplify right side
    58,500.63x = 1,671,703,379.09
  5. Step 5: Solve for x
    x = 1,671,703,379.09/58,500.63
  6. Step 6: Final answer
    x = 28,575.82

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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.