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Finding the Fourth Proportional to 13,708.30, 20,562.45 and 4,944.10

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Solution

The fourth proportional to 13,708.30, 20,562.45 and 4,944.10 is: 7,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.30 : 20,562.45 = 4,944.10 : x
  2. Step 2: Convert to fraction form
    13,708.30/20,562.45 = 4,944.10/x
  3. Step 3: Cross multiply
    13,708.30x = 20,562.45 × 4,944.10
  4. Step 4: Simplify right side
    13,708.30x = 101,662,809.05
  5. Step 5: Solve for x
    x = 101,662,809.05/13,708.30
  6. Step 6: Final answer
    x = 7,416.15

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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.