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Finding the Fourth Proportional to 13,483, 18,606.55 and 7,514.53

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Solution

The fourth proportional to 13,483, 18,606.55 and 7,514.53 is: 10,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483 : 18,606.55 = 7,514.53 : x
  2. Step 2: Convert to fraction form
    13,483/18,606.55 = 7,514.53/x
  3. Step 3: Cross multiply
    13,483x = 18,606.55 × 7,514.53
  4. Step 4: Simplify right side
    13,483x = 139,819,478.17
  5. Step 5: Solve for x
    x = 139,819,478.17/13,483
  6. Step 6: Final answer
    x = 10,370.06

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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.