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Finding the Fourth Proportional to 71,366.94, 98,482.50 and 39,533.94

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Solution

The fourth proportional to 71,366.94, 98,482.50 and 39,533.94 is: 54,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.94 : 98,482.50 = 39,533.94 : x
  2. Step 2: Convert to fraction form
    71,366.94/98,482.50 = 39,533.94/x
  3. Step 3: Cross multiply
    71,366.94x = 98,482.50 × 39,533.94
  4. Step 4: Simplify right side
    71,366.94x = 3,893,401,246.05
  5. Step 5: Solve for x
    x = 3,893,401,246.05/71,366.94
  6. Step 6: Final answer
    x = 54,554.69

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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.