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Finding the Fourth Proportional to 17,630.56, 26,428.56 and 7,248.16

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Solution

The fourth proportional to 17,630.56, 26,428.56 and 7,248.16 is: 10,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.56 : 26,428.56 = 7,248.16 : x
  2. Step 2: Convert to fraction form
    17,630.56/26,428.56 = 7,248.16/x
  3. Step 3: Cross multiply
    17,630.56x = 26,428.56 × 7,248.16
  4. Step 4: Simplify right side
    17,630.56x = 191,558,431.45
  5. Step 5: Solve for x
    x = 191,558,431.45/17,630.56
  6. Step 6: Final answer
    x = 10,865.14

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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.