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Finding the Fourth Proportional to 8,602.15, 12,870.60 and 5,094.04

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Solution

The fourth proportional to 8,602.15, 12,870.60 and 5,094.04 is: 7,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.15 : 12,870.60 = 5,094.04 : x
  2. Step 2: Convert to fraction form
    8,602.15/12,870.60 = 5,094.04/x
  3. Step 3: Cross multiply
    8,602.15x = 12,870.60 × 5,094.04
  4. Step 4: Simplify right side
    8,602.15x = 65,563,351.22
  5. Step 5: Solve for x
    x = 65,563,351.22/8,602.15
  6. Step 6: Final answer
    x = 7,621.74

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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.