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Finding the Fourth Proportional to 11,608.48, 17,389.68 and 7,492

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Solution

The fourth proportional to 11,608.48, 17,389.68 and 7,492 is: 11,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.48 : 17,389.68 = 7,492 : x
  2. Step 2: Convert to fraction form
    11,608.48/17,389.68 = 7,492/x
  3. Step 3: Cross multiply
    11,608.48x = 17,389.68 × 7,492
  4. Step 4: Simplify right side
    11,608.48x = 130,283,482.56
  5. Step 5: Solve for x
    x = 130,283,482.56/11,608.48
  6. Step 6: Final answer
    x = 11,223.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.