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Finding the Fourth Proportional to 16,988.88, 25,484.88 and 5,302.08

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Solution

The fourth proportional to 16,988.88, 25,484.88 and 5,302.08 is: 7,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.88 : 25,484.88 = 5,302.08 : x
  2. Step 2: Convert to fraction form
    16,988.88/25,484.88 = 5,302.08/x
  3. Step 3: Cross multiply
    16,988.88x = 25,484.88 × 5,302.08
  4. Step 4: Simplify right side
    16,988.88x = 135,122,872.55
  5. Step 5: Solve for x
    x = 135,122,872.55/16,988.88
  6. Step 6: Final answer
    x = 7,953.61

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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.