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Finding the Fourth Proportional to 16,987.51, 25,473.02 and 7,124.14

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Solution

The fourth proportional to 16,987.51, 25,473.02 and 7,124.14 is: 10,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.51 : 25,473.02 = 7,124.14 : x
  2. Step 2: Convert to fraction form
    16,987.51/25,473.02 = 7,124.14/x
  3. Step 3: Cross multiply
    16,987.51x = 25,473.02 × 7,124.14
  4. Step 4: Simplify right side
    16,987.51x = 181,473,197.72
  5. Step 5: Solve for x
    x = 181,473,197.72/16,987.51
  6. Step 6: Final answer
    x = 10,682.75

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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.