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Finding the Fourth Proportional to 8,951.04, 13,420.80 and 5,869.44

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Solution

The fourth proportional to 8,951.04, 13,420.80 and 5,869.44 is: 8,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.04 : 13,420.80 = 5,869.44 : x
  2. Step 2: Convert to fraction form
    8,951.04/13,420.80 = 5,869.44/x
  3. Step 3: Cross multiply
    8,951.04x = 13,420.80 × 5,869.44
  4. Step 4: Simplify right side
    8,951.04x = 78,772,580.35
  5. Step 5: Solve for x
    x = 78,772,580.35/8,951.04
  6. Step 6: Final answer
    x = 8,800.38

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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.