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Finding the Fourth Proportional to 11,827.55, 17,753.62 and 8,711.07

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Solution

The fourth proportional to 11,827.55, 17,753.62 and 8,711.07 is: 13,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.55 : 17,753.62 = 8,711.07 : x
  2. Step 2: Convert to fraction form
    11,827.55/17,753.62 = 8,711.07/x
  3. Step 3: Cross multiply
    11,827.55x = 17,753.62 × 8,711.07
  4. Step 4: Simplify right side
    11,827.55x = 154,653,026.57
  5. Step 5: Solve for x
    x = 154,653,026.57/11,827.55
  6. Step 6: Final answer
    x = 13,075.67

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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.