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Finding the Fourth Proportional to 19,573.76, 29,360.64 and 5,722.76

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Solution

The fourth proportional to 19,573.76, 29,360.64 and 5,722.76 is: 8,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.76 : 29,360.64 = 5,722.76 : x
  2. Step 2: Convert to fraction form
    19,573.76/29,360.64 = 5,722.76/x
  3. Step 3: Cross multiply
    19,573.76x = 29,360.64 × 5,722.76
  4. Step 4: Simplify right side
    19,573.76x = 168,023,896.17
  5. Step 5: Solve for x
    x = 168,023,896.17/19,573.76
  6. Step 6: Final answer
    x = 8,584.14

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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.