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Finding the Fourth Proportional to 9,955.10, 14,917.14 and 3,713.42

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Solution

The fourth proportional to 9,955.10, 14,917.14 and 3,713.42 is: 5,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.10 : 14,917.14 = 3,713.42 : x
  2. Step 2: Convert to fraction form
    9,955.10/14,917.14 = 3,713.42/x
  3. Step 3: Cross multiply
    9,955.10x = 14,917.14 × 3,713.42
  4. Step 4: Simplify right side
    9,955.10x = 55,393,587.45
  5. Step 5: Solve for x
    x = 55,393,587.45/9,955.10
  6. Step 6: Final answer
    x = 5,564.35

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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.