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Finding the Fourth Proportional to 9,953.39, 14,917.74 and 8,723.19

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Solution

The fourth proportional to 9,953.39, 14,917.74 and 8,723.19 is: 13,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.39 : 14,917.74 = 8,723.19 : x
  2. Step 2: Convert to fraction form
    9,953.39/14,917.74 = 8,723.19/x
  3. Step 3: Cross multiply
    9,953.39x = 14,917.74 × 8,723.19
  4. Step 4: Simplify right side
    9,953.39x = 130,130,280.39
  5. Step 5: Solve for x
    x = 130,130,280.39/9,953.39
  6. Step 6: Final answer
    x = 13,073.97

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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.