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Finding the Fourth Proportional to 8,273.04, 12,400.80 and 4,368.96

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Solution

The fourth proportional to 8,273.04, 12,400.80 and 4,368.96 is: 6,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.04 : 12,400.80 = 4,368.96 : x
  2. Step 2: Convert to fraction form
    8,273.04/12,400.80 = 4,368.96/x
  3. Step 3: Cross multiply
    8,273.04x = 12,400.80 × 4,368.96
  4. Step 4: Simplify right side
    8,273.04x = 54,178,599.17
  5. Step 5: Solve for x
    x = 54,178,599.17/8,273.04
  6. Step 6: Final answer
    x = 6,548.81

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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.