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Finding the Fourth Proportional to 17,381.70, 26,072.55 and 6,290.10

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Solution

The fourth proportional to 17,381.70, 26,072.55 and 6,290.10 is: 9,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.70 : 26,072.55 = 6,290.10 : x
  2. Step 2: Convert to fraction form
    17,381.70/26,072.55 = 6,290.10/x
  3. Step 3: Cross multiply
    17,381.70x = 26,072.55 × 6,290.10
  4. Step 4: Simplify right side
    17,381.70x = 163,998,946.76
  5. Step 5: Solve for x
    x = 163,998,946.76/17,381.70
  6. Step 6: Final answer
    x = 9,435.15

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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.