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Finding the Fourth Proportional to 58,347.34, 87,525.61 and 28,749.04

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Solution

The fourth proportional to 58,347.34, 87,525.61 and 28,749.04 is: 43,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,347.34 : 87,525.61 = 28,749.04 : x
  2. Step 2: Convert to fraction form
    58,347.34/87,525.61 = 28,749.04/x
  3. Step 3: Cross multiply
    58,347.34x = 87,525.61 × 28,749.04
  4. Step 4: Simplify right side
    58,347.34x = 2,516,276,972.23
  5. Step 5: Solve for x
    x = 2,516,276,972.23/58,347.34
  6. Step 6: Final answer
    x = 43,125.82

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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.