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Finding the Fourth Proportional to 61,223.94, 84,488.94 and 34,366.47

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Solution

The fourth proportional to 61,223.94, 84,488.94 and 34,366.47 is: 47,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,223.94 : 84,488.94 = 34,366.47 : x
  2. Step 2: Convert to fraction form
    61,223.94/84,488.94 = 34,366.47/x
  3. Step 3: Cross multiply
    61,223.94x = 84,488.94 × 34,366.47
  4. Step 4: Simplify right side
    61,223.94x = 2,903,586,621.84
  5. Step 5: Solve for x
    x = 2,903,586,621.84/61,223.94
  6. Step 6: Final answer
    x = 47,425.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.