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Finding the Fourth Proportional to 32,881.30, 45,365.10 and 18,724.12

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Solution

The fourth proportional to 32,881.30, 45,365.10 and 18,724.12 is: 25,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.30 : 45,365.10 = 18,724.12 : x
  2. Step 2: Convert to fraction form
    32,881.30/45,365.10 = 18,724.12/x
  3. Step 3: Cross multiply
    32,881.30x = 45,365.10 × 18,724.12
  4. Step 4: Simplify right side
    32,881.30x = 849,421,576.21
  5. Step 5: Solve for x
    x = 849,421,576.21/32,881.30
  6. Step 6: Final answer
    x = 25,832.97

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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.