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Finding the Fourth Proportional to 17,957.48, 24,780.74 and 9,999.27

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Solution

The fourth proportional to 17,957.48, 24,780.74 and 9,999.27 is: 13,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.48 : 24,780.74 = 9,999.27 : x
  2. Step 2: Convert to fraction form
    17,957.48/24,780.74 = 9,999.27/x
  3. Step 3: Cross multiply
    17,957.48x = 24,780.74 × 9,999.27
  4. Step 4: Simplify right side
    17,957.48x = 247,789,260.06
  5. Step 5: Solve for x
    x = 247,789,260.06/17,957.48
  6. Step 6: Final answer
    x = 13,798.67

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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.