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Finding the Fourth Proportional to 58,482.50, 87,732.87 and 19,030.31

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Solution

The fourth proportional to 58,482.50, 87,732.87 and 19,030.31 is: 28,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,482.50 : 87,732.87 = 19,030.31 : x
  2. Step 2: Convert to fraction form
    58,482.50/87,732.87 = 19,030.31/x
  3. Step 3: Cross multiply
    58,482.50x = 87,732.87 × 19,030.31
  4. Step 4: Simplify right side
    58,482.50x = 1,669,583,179.47
  5. Step 5: Solve for x
    x = 1,669,583,179.47/58,482.50
  6. Step 6: Final answer
    x = 28,548.42

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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.