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Finding the Fourth Proportional to 10,534, 15,796.38 and 3,955.57

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Solution

The fourth proportional to 10,534, 15,796.38 and 3,955.57 is: 5,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534 : 15,796.38 = 3,955.57 : x
  2. Step 2: Convert to fraction form
    10,534/15,796.38 = 3,955.57/x
  3. Step 3: Cross multiply
    10,534x = 15,796.38 × 3,955.57
  4. Step 4: Simplify right side
    10,534x = 62,483,686.84
  5. Step 5: Solve for x
    x = 62,483,686.84/10,534
  6. Step 6: Final answer
    x = 5,931.62

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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.