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Finding the Fourth Proportional to 32,892.81, 45,392.63 and 18,745.89

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Solution

The fourth proportional to 32,892.81, 45,392.63 and 18,745.89 is: 25,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.81 : 45,392.63 = 18,745.89 : x
  2. Step 2: Convert to fraction form
    32,892.81/45,392.63 = 18,745.89/x
  3. Step 3: Cross multiply
    32,892.81x = 45,392.63 × 18,745.89
  4. Step 4: Simplify right side
    32,892.81x = 850,925,248.79
  5. Step 5: Solve for x
    x = 850,925,248.79/32,892.81
  6. Step 6: Final answer
    x = 25,869.64

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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.