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Finding the Fourth Proportional to 11,615.93, 16,030.05 and 6,310.79

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Solution

The fourth proportional to 11,615.93, 16,030.05 and 6,310.79 is: 8,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.93 : 16,030.05 = 6,310.79 : x
  2. Step 2: Convert to fraction form
    11,615.93/16,030.05 = 6,310.79/x
  3. Step 3: Cross multiply
    11,615.93x = 16,030.05 × 6,310.79
  4. Step 4: Simplify right side
    11,615.93x = 101,162,279.24
  5. Step 5: Solve for x
    x = 101,162,279.24/11,615.93
  6. Step 6: Final answer
    x = 8,708.93

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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.