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Finding the Fourth Proportional to 60,518.86, 90,788.04 and 25,468.54

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Solution

The fourth proportional to 60,518.86, 90,788.04 and 25,468.54 is: 38,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.86 : 90,788.04 = 25,468.54 : x
  2. Step 2: Convert to fraction form
    60,518.86/90,788.04 = 25,468.54/x
  3. Step 3: Cross multiply
    60,518.86x = 90,788.04 × 25,468.54
  4. Step 4: Simplify right side
    60,518.86x = 2,312,238,828.26
  5. Step 5: Solve for x
    x = 2,312,238,828.26/60,518.86
  6. Step 6: Final answer
    x = 38,206.91

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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.