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Finding the Fourth Proportional to 27,477.63, 37,919.15 and 14,902.38

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Solution

The fourth proportional to 27,477.63, 37,919.15 and 14,902.38 is: 20,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.63 : 37,919.15 = 14,902.38 : x
  2. Step 2: Convert to fraction form
    27,477.63/37,919.15 = 14,902.38/x
  3. Step 3: Cross multiply
    27,477.63x = 37,919.15 × 14,902.38
  4. Step 4: Simplify right side
    27,477.63x = 565,085,582.58
  5. Step 5: Solve for x
    x = 565,085,582.58/27,477.63
  6. Step 6: Final answer
    x = 20,565.30

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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.