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Finding the Fourth Proportional to 9,492, 13,098.68 and 5,512.84

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Solution

The fourth proportional to 9,492, 13,098.68 and 5,512.84 is: 7,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492 : 13,098.68 = 5,512.84 : x
  2. Step 2: Convert to fraction form
    9,492/13,098.68 = 5,512.84/x
  3. Step 3: Cross multiply
    9,492x = 13,098.68 × 5,512.84
  4. Step 4: Simplify right side
    9,492x = 72,210,927.05
  5. Step 5: Solve for x
    x = 72,210,927.05/9,492
  6. Step 6: Final answer
    x = 7,607.56

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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.