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Finding the Fourth Proportional to 7,076.50, 10,616.37 and 2,459.50

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Solution

The fourth proportional to 7,076.50, 10,616.37 and 2,459.50 is: 3,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.50 : 10,616.37 = 2,459.50 : x
  2. Step 2: Convert to fraction form
    7,076.50/10,616.37 = 2,459.50/x
  3. Step 3: Cross multiply
    7,076.50x = 10,616.37 × 2,459.50
  4. Step 4: Simplify right side
    7,076.50x = 26,110,962.02
  5. Step 5: Solve for x
    x = 26,110,962.02/7,076.50
  6. Step 6: Final answer
    x = 3,689.81

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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.