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Finding the Fourth Proportional to 8,483.40, 12,725.10 and 2,937.60

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Solution

The fourth proportional to 8,483.40, 12,725.10 and 2,937.60 is: 4,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.40 : 12,725.10 = 2,937.60 : x
  2. Step 2: Convert to fraction form
    8,483.40/12,725.10 = 2,937.60/x
  3. Step 3: Cross multiply
    8,483.40x = 12,725.10 × 2,937.60
  4. Step 4: Simplify right side
    8,483.40x = 37,381,253.76
  5. Step 5: Solve for x
    x = 37,381,253.76/8,483.40
  6. Step 6: Final answer
    x = 4,406.40

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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.