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Finding the Fourth Proportional to 32,753.96, 45,201.68 and 18,609.20

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Solution

The fourth proportional to 32,753.96, 45,201.68 and 18,609.20 is: 25,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.96 : 45,201.68 = 18,609.20 : x
  2. Step 2: Convert to fraction form
    32,753.96/45,201.68 = 18,609.20/x
  3. Step 3: Cross multiply
    32,753.96x = 45,201.68 × 18,609.20
  4. Step 4: Simplify right side
    32,753.96x = 841,166,784.40
  5. Step 5: Solve for x
    x = 841,166,784.40/32,753.96
  6. Step 6: Final answer
    x = 25,681.38

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Double scale
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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.