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Finding the Fourth Proportional to 30,647.62, 45,938.76 and 17,471.62

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Solution

The fourth proportional to 30,647.62, 45,938.76 and 17,471.62 is: 26,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.62 : 45,938.76 = 17,471.62 : x
  2. Step 2: Convert to fraction form
    30,647.62/45,938.76 = 17,471.62/x
  3. Step 3: Cross multiply
    30,647.62x = 45,938.76 × 17,471.62
  4. Step 4: Simplify right side
    30,647.62x = 802,624,557.99
  5. Step 5: Solve for x
    x = 802,624,557.99/30,647.62
  6. Step 6: Final answer
    x = 26,188.81

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1.5x scale

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.