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Finding the Fourth Proportional to 32,685.60, 48,936.33 and 20,810.19

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Solution

The fourth proportional to 32,685.60, 48,936.33 and 20,810.19 is: 31,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.60 : 48,936.33 = 20,810.19 : x
  2. Step 2: Convert to fraction form
    32,685.60/48,936.33 = 20,810.19/x
  3. Step 3: Cross multiply
    32,685.60x = 48,936.33 × 20,810.19
  4. Step 4: Simplify right side
    32,685.60x = 1,018,374,325.20
  5. Step 5: Solve for x
    x = 1,018,374,325.20/32,685.60
  6. Step 6: Final answer
    x = 31,156.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.