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Finding the Fourth Proportional to 13,482.50, 20,224.80 and 6,091.10

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Solution

The fourth proportional to 13,482.50, 20,224.80 and 6,091.10 is: 9,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.50 : 20,224.80 = 6,091.10 : x
  2. Step 2: Convert to fraction form
    13,482.50/20,224.80 = 6,091.10/x
  3. Step 3: Cross multiply
    13,482.50x = 20,224.80 × 6,091.10
  4. Step 4: Simplify right side
    13,482.50x = 123,191,279.28
  5. Step 5: Solve for x
    x = 123,191,279.28/13,482.50
  6. Step 6: Final answer
    x = 9,137.12

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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.