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Finding the Fourth Proportional to 11,555.00, 17,335.11 and 4,159.50

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Solution

The fourth proportional to 11,555.00, 17,335.11 and 4,159.50 is: 6,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.00 : 17,335.11 = 4,159.50 : x
  2. Step 2: Convert to fraction form
    11,555.00/17,335.11 = 4,159.50/x
  3. Step 3: Cross multiply
    11,555.00x = 17,335.11 × 4,159.50
  4. Step 4: Simplify right side
    11,555.00x = 72,105,438.15
  5. Step 5: Solve for x
    x = 72,105,438.15/11,555.00
  6. Step 6: Final answer
    x = 6,240.19

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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.