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Finding the Fourth Proportional to 19,963.63, 29,793.65 and 17,749.32

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Solution

The fourth proportional to 19,963.63, 29,793.65 and 17,749.32 is: 26,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.63 : 29,793.65 = 17,749.32 : x
  2. Step 2: Convert to fraction form
    19,963.63/29,793.65 = 17,749.32/x
  3. Step 3: Cross multiply
    19,963.63x = 29,793.65 × 17,749.32
  4. Step 4: Simplify right side
    19,963.63x = 528,817,027.82
  5. Step 5: Solve for x
    x = 528,817,027.82/19,963.63
  6. Step 6: Final answer
    x = 26,489.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.