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Finding the Fourth Proportional to 32,087.58, 48,139.58 and 12,360.84

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Solution

The fourth proportional to 32,087.58, 48,139.58 and 12,360.84 is: 18,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,087.58 : 48,139.58 = 12,360.84 : x
  2. Step 2: Convert to fraction form
    32,087.58/48,139.58 = 12,360.84/x
  3. Step 3: Cross multiply
    32,087.58x = 48,139.58 × 12,360.84
  4. Step 4: Simplify right side
    32,087.58x = 595,045,646.05
  5. Step 5: Solve for x
    x = 595,045,646.05/32,087.58
  6. Step 6: Final answer
    x = 18,544.42

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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.