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Finding the Fourth Proportional to 17,681.76, 26,528.04 and 9,896.04

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Solution

The fourth proportional to 17,681.76, 26,528.04 and 9,896.04 is: 14,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.76 : 26,528.04 = 9,896.04 : x
  2. Step 2: Convert to fraction form
    17,681.76/26,528.04 = 9,896.04/x
  3. Step 3: Cross multiply
    17,681.76x = 26,528.04 × 9,896.04
  4. Step 4: Simplify right side
    17,681.76x = 262,522,544.96
  5. Step 5: Solve for x
    x = 262,522,544.96/17,681.76
  6. Step 6: Final answer
    x = 14,847.08

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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.