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Finding the Fourth Proportional to 7,614.48, 10,499.28 and 6,194.28

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Solution

The fourth proportional to 7,614.48, 10,499.28 and 6,194.28 is: 8,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.48 : 10,499.28 = 6,194.28 : x
  2. Step 2: Convert to fraction form
    7,614.48/10,499.28 = 6,194.28/x
  3. Step 3: Cross multiply
    7,614.48x = 10,499.28 × 6,194.28
  4. Step 4: Simplify right side
    7,614.48x = 65,035,480.12
  5. Step 5: Solve for x
    x = 65,035,480.12/7,614.48
  6. Step 6: Final answer
    x = 8,541.03

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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.