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Finding the Fourth Proportional to 19,014.53, 28,523.16 and 5,865.20

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Solution

The fourth proportional to 19,014.53, 28,523.16 and 5,865.20 is: 8,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.53 : 28,523.16 = 5,865.20 : x
  2. Step 2: Convert to fraction form
    19,014.53/28,523.16 = 5,865.20/x
  3. Step 3: Cross multiply
    19,014.53x = 28,523.16 × 5,865.20
  4. Step 4: Simplify right side
    19,014.53x = 167,293,895.42
  5. Step 5: Solve for x
    x = 167,293,895.42/19,014.53
  6. Step 6: Final answer
    x = 8,798.22

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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.