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Finding the Fourth Proportional to 47,808.67, 71,712.99 and 14,528.62

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Solution

The fourth proportional to 47,808.67, 71,712.99 and 14,528.62 is: 21,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.67 : 71,712.99 = 14,528.62 : x
  2. Step 2: Convert to fraction form
    47,808.67/71,712.99 = 14,528.62/x
  3. Step 3: Cross multiply
    47,808.67x = 71,712.99 × 14,528.62
  4. Step 4: Simplify right side
    47,808.67x = 1,041,890,780.77
  5. Step 5: Solve for x
    x = 1,041,890,780.77/47,808.67
  6. Step 6: Final answer
    x = 21,792.93

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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.