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Finding the Fourth Proportional to 17,307.81, 25,961.69 and 8,983.53

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Solution

The fourth proportional to 17,307.81, 25,961.69 and 8,983.53 is: 13,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307.81 : 25,961.69 = 8,983.53 : x
  2. Step 2: Convert to fraction form
    17,307.81/25,961.69 = 8,983.53/x
  3. Step 3: Cross multiply
    17,307.81x = 25,961.69 × 8,983.53
  4. Step 4: Simplify right side
    17,307.81x = 233,227,643.42
  5. Step 5: Solve for x
    x = 233,227,643.42/17,307.81
  6. Step 6: Final answer
    x = 13,475.28

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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.