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Finding the Fourth Proportional to 19,597.92, 29,394.64 and 5,748.32

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Solution

The fourth proportional to 19,597.92, 29,394.64 and 5,748.32 is: 8,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.92 : 29,394.64 = 5,748.32 : x
  2. Step 2: Convert to fraction form
    19,597.92/29,394.64 = 5,748.32/x
  3. Step 3: Cross multiply
    19,597.92x = 29,394.64 × 5,748.32
  4. Step 4: Simplify right side
    19,597.92x = 168,969,797.00
  5. Step 5: Solve for x
    x = 168,969,797.00/19,597.92
  6. Step 6: Final answer
    x = 8,621.82

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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.