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Finding the Fourth Proportional to 45,630.84, 62,969.85 and 25,488

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Solution

The fourth proportional to 45,630.84, 62,969.85 and 25,488 is: 35,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,630.84 : 62,969.85 = 25,488 : x
  2. Step 2: Convert to fraction form
    45,630.84/62,969.85 = 25,488/x
  3. Step 3: Cross multiply
    45,630.84x = 62,969.85 × 25,488
  4. Step 4: Simplify right side
    45,630.84x = 1,604,975,536.80
  5. Step 5: Solve for x
    x = 1,604,975,536.80/45,630.84
  6. Step 6: Final answer
    x = 35,173.04

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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.