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Finding the Fourth Proportional to 25,758.67, 38,638.01 and 14,065.51

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Solution

The fourth proportional to 25,758.67, 38,638.01 and 14,065.51 is: 21,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.67 : 38,638.01 = 14,065.51 : x
  2. Step 2: Convert to fraction form
    25,758.67/38,638.01 = 14,065.51/x
  3. Step 3: Cross multiply
    25,758.67x = 38,638.01 × 14,065.51
  4. Step 4: Simplify right side
    25,758.67x = 543,463,316.04
  5. Step 5: Solve for x
    x = 543,463,316.04/25,758.67
  6. Step 6: Final answer
    x = 21,098.27

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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.