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Finding the Fourth Proportional to 58,674.02, 87,975.88 and 18,675.74

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Solution

The fourth proportional to 58,674.02, 87,975.88 and 18,675.74 is: 28,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,674.02 : 87,975.88 = 18,675.74 : x
  2. Step 2: Convert to fraction form
    58,674.02/87,975.88 = 18,675.74/x
  3. Step 3: Cross multiply
    58,674.02x = 87,975.88 × 18,675.74
  4. Step 4: Simplify right side
    58,674.02x = 1,643,014,221.27
  5. Step 5: Solve for x
    x = 1,643,014,221.27/58,674.02
  6. Step 6: Final answer
    x = 28,002.41

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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.