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Finding the Fourth Proportional to 58,291.56, 87,438.93 and 22,751.46

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Solution

The fourth proportional to 58,291.56, 87,438.93 and 22,751.46 is: 34,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,291.56 : 87,438.93 = 22,751.46 : x
  2. Step 2: Convert to fraction form
    58,291.56/87,438.93 = 22,751.46/x
  3. Step 3: Cross multiply
    58,291.56x = 87,438.93 × 22,751.46
  4. Step 4: Simplify right side
    58,291.56x = 1,989,363,318.34
  5. Step 5: Solve for x
    x = 1,989,363,318.34/58,291.56
  6. Step 6: Final answer
    x = 34,127.81

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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.