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Finding the Fourth Proportional to 58,554.57, 87,801.12 and 30,405.81

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Solution

The fourth proportional to 58,554.57, 87,801.12 and 30,405.81 is: 45,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,554.57 : 87,801.12 = 30,405.81 : x
  2. Step 2: Convert to fraction form
    58,554.57/87,801.12 = 30,405.81/x
  3. Step 3: Cross multiply
    58,554.57x = 87,801.12 × 30,405.81
  4. Step 4: Simplify right side
    58,554.57x = 2,669,664,172.51
  5. Step 5: Solve for x
    x = 2,669,664,172.51/58,554.57
  6. Step 6: Final answer
    x = 45,592.76

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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.