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Finding the Fourth Proportional to 47,283.71, 70,927.99 and 12,223.67

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Solution

The fourth proportional to 47,283.71, 70,927.99 and 12,223.67 is: 18,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,283.71 : 70,927.99 = 12,223.67 : x
  2. Step 2: Convert to fraction form
    47,283.71/70,927.99 = 12,223.67/x
  3. Step 3: Cross multiply
    47,283.71x = 70,927.99 × 12,223.67
  4. Step 4: Simplify right side
    47,283.71x = 866,999,958.32
  5. Step 5: Solve for x
    x = 866,999,958.32/47,283.71
  6. Step 6: Final answer
    x = 18,336.13

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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.