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Finding the Fourth Proportional to 11,347.58, 17,017.58 and 4,772.54

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Solution

The fourth proportional to 11,347.58, 17,017.58 and 4,772.54 is: 7,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.58 : 17,017.58 = 4,772.54 : x
  2. Step 2: Convert to fraction form
    11,347.58/17,017.58 = 4,772.54/x
  3. Step 3: Cross multiply
    11,347.58x = 17,017.58 × 4,772.54
  4. Step 4: Simplify right side
    11,347.58x = 81,217,081.25
  5. Step 5: Solve for x
    x = 81,217,081.25/11,347.58
  6. Step 6: Final answer
    x = 7,157.22

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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.