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Finding the Fourth Proportional to 32,652.60, 45,047.14 and 21,318.16

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Solution

The fourth proportional to 32,652.60, 45,047.14 and 21,318.16 is: 29,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,652.60 : 45,047.14 = 21,318.16 : x
  2. Step 2: Convert to fraction form
    32,652.60/45,047.14 = 21,318.16/x
  3. Step 3: Cross multiply
    32,652.60x = 45,047.14 × 21,318.16
  4. Step 4: Simplify right side
    32,652.60x = 960,322,138.06
  5. Step 5: Solve for x
    x = 960,322,138.06/32,652.60
  6. Step 6: Final answer
    x = 29,410.28

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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.