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Finding the Fourth Proportional to 11,595.50, 17,393.25 and 5,439.50

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Solution

The fourth proportional to 11,595.50, 17,393.25 and 5,439.50 is: 8,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.50 : 17,393.25 = 5,439.50 : x
  2. Step 2: Convert to fraction form
    11,595.50/17,393.25 = 5,439.50/x
  3. Step 3: Cross multiply
    11,595.50x = 17,393.25 × 5,439.50
  4. Step 4: Simplify right side
    11,595.50x = 94,610,583.38
  5. Step 5: Solve for x
    x = 94,610,583.38/11,595.50
  6. Step 6: Final answer
    x = 8,159.25

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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.