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Finding the Fourth Proportional to 8,482.90, 12,725.14 and 3,554.04

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Solution

The fourth proportional to 8,482.90, 12,725.14 and 3,554.04 is: 5,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.90 : 12,725.14 = 3,554.04 : x
  2. Step 2: Convert to fraction form
    8,482.90/12,725.14 = 3,554.04/x
  3. Step 3: Cross multiply
    8,482.90x = 12,725.14 × 3,554.04
  4. Step 4: Simplify right side
    8,482.90x = 45,225,656.57
  5. Step 5: Solve for x
    x = 45,225,656.57/8,482.90
  6. Step 6: Final answer
    x = 5,331.39

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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.