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Finding the Fourth Proportional to 36,986.59, 51,041.58 and 20,219.59

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Solution

The fourth proportional to 36,986.59, 51,041.58 and 20,219.59 is: 27,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.59 : 51,041.58 = 20,219.59 : x
  2. Step 2: Convert to fraction form
    36,986.59/51,041.58 = 20,219.59/x
  3. Step 3: Cross multiply
    36,986.59x = 51,041.58 × 20,219.59
  4. Step 4: Simplify right side
    36,986.59x = 1,032,039,565.34
  5. Step 5: Solve for x
    x = 1,032,039,565.34/36,986.59
  6. Step 6: Final answer
    x = 27,903.08

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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.