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Finding the Fourth Proportional to 27,158.55, 37,480.53 and 15,059.53

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Solution

The fourth proportional to 27,158.55, 37,480.53 and 15,059.53 is: 20,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.55 : 37,480.53 = 15,059.53 : x
  2. Step 2: Convert to fraction form
    27,158.55/37,480.53 = 15,059.53/x
  3. Step 3: Cross multiply
    27,158.55x = 37,480.53 × 15,059.53
  4. Step 4: Simplify right side
    27,158.55x = 564,439,165.95
  5. Step 5: Solve for x
    x = 564,439,165.95/27,158.55
  6. Step 6: Final answer
    x = 20,783.11

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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.