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Finding the Fourth Proportional to 58,502.27, 87,760.70 and 19,048.79

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Solution

The fourth proportional to 58,502.27, 87,760.70 and 19,048.79 is: 28,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502.27 : 87,760.70 = 19,048.79 : x
  2. Step 2: Convert to fraction form
    58,502.27/87,760.70 = 19,048.79/x
  3. Step 3: Cross multiply
    58,502.27x = 87,760.70 × 19,048.79
  4. Step 4: Simplify right side
    58,502.27x = 1,671,734,610.51
  5. Step 5: Solve for x
    x = 1,671,734,610.51/58,502.27
  6. Step 6: Final answer
    x = 28,575.55

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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.