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Finding the Fourth Proportional to 32,659.57, 45,027.91 and 21,154.01

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Solution

The fourth proportional to 32,659.57, 45,027.91 and 21,154.01 is: 29,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,659.57 : 45,027.91 = 21,154.01 : x
  2. Step 2: Convert to fraction form
    32,659.57/45,027.91 = 21,154.01/x
  3. Step 3: Cross multiply
    32,659.57x = 45,027.91 × 21,154.01
  4. Step 4: Simplify right side
    32,659.57x = 952,520,580.39
  5. Step 5: Solve for x
    x = 952,520,580.39/32,659.57
  6. Step 6: Final answer
    x = 29,165.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.