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Finding the Fourth Proportional to 16,707.70, 25,062.72 and 5,021.80

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Solution

The fourth proportional to 16,707.70, 25,062.72 and 5,021.80 is: 7,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.70 : 25,062.72 = 5,021.80 : x
  2. Step 2: Convert to fraction form
    16,707.70/25,062.72 = 5,021.80/x
  3. Step 3: Cross multiply
    16,707.70x = 25,062.72 × 5,021.80
  4. Step 4: Simplify right side
    16,707.70x = 125,859,967.30
  5. Step 5: Solve for x
    x = 125,859,967.30/16,707.70
  6. Step 6: Final answer
    x = 7,533.05

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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.