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Finding the Fourth Proportional to 60,475, 90,518.40 and 32,324.68

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Solution

The fourth proportional to 60,475, 90,518.40 and 32,324.68 is: 48,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,475 : 90,518.40 = 32,324.68 : x
  2. Step 2: Convert to fraction form
    60,475/90,518.40 = 32,324.68/x
  3. Step 3: Cross multiply
    60,475x = 90,518.40 × 32,324.68
  4. Step 4: Simplify right side
    60,475x = 2,925,978,314.11
  5. Step 5: Solve for x
    x = 2,925,978,314.11/60,475
  6. Step 6: Final answer
    x = 48,383.27

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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.