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Finding the Fourth Proportional to 32,486.40, 44,582.40 and 30,412.80

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Solution

The fourth proportional to 32,486.40, 44,582.40 and 30,412.80 is: 41,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.40 : 44,582.40 = 30,412.80 : x
  2. Step 2: Convert to fraction form
    32,486.40/44,582.40 = 30,412.80/x
  3. Step 3: Cross multiply
    32,486.40x = 44,582.40 × 30,412.80
  4. Step 4: Simplify right side
    32,486.40x = 1,355,875,614.72
  5. Step 5: Solve for x
    x = 1,355,875,614.72/32,486.40
  6. Step 6: Final answer
    x = 41,736.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.