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Finding the Fourth Proportional to 17,615.85, 26,429.85 and 11,034.19

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Solution

The fourth proportional to 17,615.85, 26,429.85 and 11,034.19 is: 16,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.85 : 26,429.85 = 11,034.19 : x
  2. Step 2: Convert to fraction form
    17,615.85/26,429.85 = 11,034.19/x
  3. Step 3: Cross multiply
    17,615.85x = 26,429.85 × 11,034.19
  4. Step 4: Simplify right side
    17,615.85x = 291,631,931.40
  5. Step 5: Solve for x
    x = 291,631,931.40/17,615.85
  6. Step 6: Final answer
    x = 16,555.09

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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.