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Finding the Fourth Proportional to 9,879.64, 14,816.34 and 3,304.26

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Solution

The fourth proportional to 9,879.64, 14,816.34 and 3,304.26 is: 4,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.64 : 14,816.34 = 3,304.26 : x
  2. Step 2: Convert to fraction form
    9,879.64/14,816.34 = 3,304.26/x
  3. Step 3: Cross multiply
    9,879.64x = 14,816.34 × 3,304.26
  4. Step 4: Simplify right side
    9,879.64x = 48,957,039.61
  5. Step 5: Solve for x
    x = 48,957,039.61/9,879.64
  6. Step 6: Final answer
    x = 4,955.35

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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.