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Finding the Fourth Proportional to 63,492, 87,618.96 and 35,202

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Solution

The fourth proportional to 63,492, 87,618.96 and 35,202 is: 48,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,492 : 87,618.96 = 35,202 : x
  2. Step 2: Convert to fraction form
    63,492/87,618.96 = 35,202/x
  3. Step 3: Cross multiply
    63,492x = 87,618.96 × 35,202
  4. Step 4: Simplify right side
    63,492x = 3,084,362,629.92
  5. Step 5: Solve for x
    x = 3,084,362,629.92/63,492
  6. Step 6: Final answer
    x = 48,578.76

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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.