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Finding the Fourth Proportional to 27,014.80, 40,493.40 and 10,368.40

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Solution

The fourth proportional to 27,014.80, 40,493.40 and 10,368.40 is: 15,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,014.80 : 40,493.40 = 10,368.40 : x
  2. Step 2: Convert to fraction form
    27,014.80/40,493.40 = 10,368.40/x
  3. Step 3: Cross multiply
    27,014.80x = 40,493.40 × 10,368.40
  4. Step 4: Simplify right side
    27,014.80x = 419,851,768.56
  5. Step 5: Solve for x
    x = 419,851,768.56/27,014.80
  6. Step 6: Final answer
    x = 15,541.55

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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.