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Finding the Fourth Proportional to 17,573.76, 26,364.28 and 7,185.50

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Solution

The fourth proportional to 17,573.76, 26,364.28 and 7,185.50 is: 10,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,573.76 : 26,364.28 = 7,185.50 : x
  2. Step 2: Convert to fraction form
    17,573.76/26,364.28 = 7,185.50/x
  3. Step 3: Cross multiply
    17,573.76x = 26,364.28 × 7,185.50
  4. Step 4: Simplify right side
    17,573.76x = 189,440,533.94
  5. Step 5: Solve for x
    x = 189,440,533.94/17,573.76
  6. Step 6: Final answer
    x = 10,779.74

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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.