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Finding the Fourth Proportional to 19,573.60, 29,446.80 and 18,346.72

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Solution

The fourth proportional to 19,573.60, 29,446.80 and 18,346.72 is: 27,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.60 : 29,446.80 = 18,346.72 : x
  2. Step 2: Convert to fraction form
    19,573.60/29,446.80 = 18,346.72/x
  3. Step 3: Cross multiply
    19,573.60x = 29,446.80 × 18,346.72
  4. Step 4: Simplify right side
    19,573.60x = 540,252,194.50
  5. Step 5: Solve for x
    x = 540,252,194.50/19,573.60
  6. Step 6: Final answer
    x = 27,601.06

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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.