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Finding the Fourth Proportional to 27,103.95, 40,655.88 and 13,960.08

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Solution

The fourth proportional to 27,103.95, 40,655.88 and 13,960.08 is: 20,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.95 : 40,655.88 = 13,960.08 : x
  2. Step 2: Convert to fraction form
    27,103.95/40,655.88 = 13,960.08/x
  3. Step 3: Cross multiply
    27,103.95x = 40,655.88 × 13,960.08
  4. Step 4: Simplify right side
    27,103.95x = 567,559,337.27
  5. Step 5: Solve for x
    x = 567,559,337.27/27,103.95
  6. Step 6: Final answer
    x = 20,940.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.