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Finding the Fourth Proportional to 32,043.68, 48,065.52 and 12,318.56

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Solution

The fourth proportional to 32,043.68, 48,065.52 and 12,318.56 is: 18,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,043.68 : 48,065.52 = 12,318.56 : x
  2. Step 2: Convert to fraction form
    32,043.68/48,065.52 = 12,318.56/x
  3. Step 3: Cross multiply
    32,043.68x = 48,065.52 × 12,318.56
  4. Step 4: Simplify right side
    32,043.68x = 592,097,992.05
  5. Step 5: Solve for x
    x = 592,097,992.05/32,043.68
  6. Step 6: Final answer
    x = 18,477.84

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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.