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Finding the Fourth Proportional to 20,037.76, 30,063.51 and 8,952.10

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Solution

The fourth proportional to 20,037.76, 30,063.51 and 8,952.10 is: 13,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.76 : 30,063.51 = 8,952.10 : x
  2. Step 2: Convert to fraction form
    20,037.76/30,063.51 = 8,952.10/x
  3. Step 3: Cross multiply
    20,037.76x = 30,063.51 × 8,952.10
  4. Step 4: Simplify right side
    20,037.76x = 269,131,547.87
  5. Step 5: Solve for x
    x = 269,131,547.87/20,037.76
  6. Step 6: Final answer
    x = 13,431.22

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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.