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Finding the Fourth Proportional to 57,846.64, 79,827.78 and 36,643.30

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Solution

The fourth proportional to 57,846.64, 79,827.78 and 36,643.30 is: 50,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,846.64 : 79,827.78 = 36,643.30 : x
  2. Step 2: Convert to fraction form
    57,846.64/79,827.78 = 36,643.30/x
  3. Step 3: Cross multiply
    57,846.64x = 79,827.78 × 36,643.30
  4. Step 4: Simplify right side
    57,846.64x = 2,925,153,290.87
  5. Step 5: Solve for x
    x = 2,925,153,290.87/57,846.64
  6. Step 6: Final answer
    x = 50,567.38

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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.