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Finding the Fourth Proportional to 36,653.40, 50,582.28 and 19,886.40

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Solution

The fourth proportional to 36,653.40, 50,582.28 and 19,886.40 is: 27,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.40 : 50,582.28 = 19,886.40 : x
  2. Step 2: Convert to fraction form
    36,653.40/50,582.28 = 19,886.40/x
  3. Step 3: Cross multiply
    36,653.40x = 50,582.28 × 19,886.40
  4. Step 4: Simplify right side
    36,653.40x = 1,005,899,452.99
  5. Step 5: Solve for x
    x = 1,005,899,452.99/36,653.40
  6. Step 6: Final answer
    x = 27,443.55

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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.