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Finding the Fourth Proportional to 13,042.62, 19,555.56 and 8,595.11

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Solution

The fourth proportional to 13,042.62, 19,555.56 and 8,595.11 is: 12,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.62 : 19,555.56 = 8,595.11 : x
  2. Step 2: Convert to fraction form
    13,042.62/19,555.56 = 8,595.11/x
  3. Step 3: Cross multiply
    13,042.62x = 19,555.56 × 8,595.11
  4. Step 4: Simplify right side
    13,042.62x = 168,082,189.31
  5. Step 5: Solve for x
    x = 168,082,189.31/13,042.62
  6. Step 6: Final answer
    x = 12,887.15

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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.