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Finding the Fourth Proportional to 36,798.95, 50,782.53 and 20,031.95

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Solution

The fourth proportional to 36,798.95, 50,782.53 and 20,031.95 is: 27,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,798.95 : 50,782.53 = 20,031.95 : x
  2. Step 2: Convert to fraction form
    36,798.95/50,782.53 = 20,031.95/x
  3. Step 3: Cross multiply
    36,798.95x = 50,782.53 × 20,031.95
  4. Step 4: Simplify right side
    36,798.95x = 1,017,272,847.92
  5. Step 5: Solve for x
    x = 1,017,272,847.92/36,798.95
  6. Step 6: Final answer
    x = 27,644.08

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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.