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Finding the Fourth Proportional to 25,571.52, 38,368.45 and 8,943.49

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Solution

The fourth proportional to 25,571.52, 38,368.45 and 8,943.49 is: 13,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.52 : 38,368.45 = 8,943.49 : x
  2. Step 2: Convert to fraction form
    25,571.52/38,368.45 = 8,943.49/x
  3. Step 3: Cross multiply
    25,571.52x = 38,368.45 × 8,943.49
  4. Step 4: Simplify right side
    25,571.52x = 343,147,848.89
  5. Step 5: Solve for x
    x = 343,147,848.89/25,571.52
  6. Step 6: Final answer
    x = 13,419.14

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1.5x scale

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.