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Finding the Fourth Proportional to 32,091.36, 48,117 and 12,346.40

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Solution

The fourth proportional to 32,091.36, 48,117 and 12,346.40 is: 18,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,091.36 : 48,117 = 12,346.40 : x
  2. Step 2: Convert to fraction form
    32,091.36/48,117 = 12,346.40/x
  3. Step 3: Cross multiply
    32,091.36x = 48,117 × 12,346.40
  4. Step 4: Simplify right side
    32,091.36x = 594,071,728.80
  5. Step 5: Solve for x
    x = 594,071,728.80/32,091.36
  6. Step 6: Final answer
    x = 18,511.89

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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.