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Finding the Fourth Proportional to 4,459.98, 6,719.70 and 4,038.09

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Solution

The fourth proportional to 4,459.98, 6,719.70 and 4,038.09 is: 6,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.98 : 6,719.70 = 4,038.09 : x
  2. Step 2: Convert to fraction form
    4,459.98/6,719.70 = 4,038.09/x
  3. Step 3: Cross multiply
    4,459.98x = 6,719.70 × 4,038.09
  4. Step 4: Simplify right side
    4,459.98x = 27,134,753.37
  5. Step 5: Solve for x
    x = 27,134,753.37/4,459.98
  6. Step 6: Final answer
    x = 6,084.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.