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Finding the Fourth Proportional to 58,491.94, 87,737.78 and 19,048.98

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Solution

The fourth proportional to 58,491.94, 87,737.78 and 19,048.98 is: 28,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.94 : 87,737.78 = 19,048.98 : x
  2. Step 2: Convert to fraction form
    58,491.94/87,737.78 = 19,048.98/x
  3. Step 3: Cross multiply
    58,491.94x = 87,737.78 × 19,048.98
  4. Step 4: Simplify right side
    58,491.94x = 1,671,315,216.46
  5. Step 5: Solve for x
    x = 1,671,315,216.46/58,491.94
  6. Step 6: Final answer
    x = 28,573.43

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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.