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Finding the Fourth Proportional to 9,958.52, 13,741.18 and 5,708.77

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Solution

The fourth proportional to 9,958.52, 13,741.18 and 5,708.77 is: 7,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.52 : 13,741.18 = 5,708.77 : x
  2. Step 2: Convert to fraction form
    9,958.52/13,741.18 = 5,708.77/x
  3. Step 3: Cross multiply
    9,958.52x = 13,741.18 × 5,708.77
  4. Step 4: Simplify right side
    9,958.52x = 78,445,236.15
  5. Step 5: Solve for x
    x = 78,445,236.15/9,958.52
  6. Step 6: Final answer
    x = 7,877.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.