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Finding the Fourth Proportional to 36,498.63, 50,368.05 and 20,583.06

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Solution

The fourth proportional to 36,498.63, 50,368.05 and 20,583.06 is: 28,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,498.63 : 50,368.05 = 20,583.06 : x
  2. Step 2: Convert to fraction form
    36,498.63/50,368.05 = 20,583.06/x
  3. Step 3: Cross multiply
    36,498.63x = 50,368.05 × 20,583.06
  4. Step 4: Simplify right side
    36,498.63x = 1,036,728,595.23
  5. Step 5: Solve for x
    x = 1,036,728,595.23/36,498.63
  6. Step 6: Final answer
    x = 28,404.59

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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.