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Finding the Fourth Proportional to 58,255.92, 87,365.52 and 18,803.52

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Solution

The fourth proportional to 58,255.92, 87,365.52 and 18,803.52 is: 28,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.92 : 87,365.52 = 18,803.52 : x
  2. Step 2: Convert to fraction form
    58,255.92/87,365.52 = 18,803.52/x
  3. Step 3: Cross multiply
    58,255.92x = 87,365.52 × 18,803.52
  4. Step 4: Simplify right side
    58,255.92x = 1,642,779,302.63
  5. Step 5: Solve for x
    x = 1,642,779,302.63/58,255.92
  6. Step 6: Final answer
    x = 28,199.35

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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.