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Finding the Fourth Proportional to 8,530.17, 12,803.19 and 4,373.16

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Solution

The fourth proportional to 8,530.17, 12,803.19 and 4,373.16 is: 6,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.17 : 12,803.19 = 4,373.16 : x
  2. Step 2: Convert to fraction form
    8,530.17/12,803.19 = 4,373.16/x
  3. Step 3: Cross multiply
    8,530.17x = 12,803.19 × 4,373.16
  4. Step 4: Simplify right side
    8,530.17x = 55,990,398.38
  5. Step 5: Solve for x
    x = 55,990,398.38/8,530.17
  6. Step 6: Final answer
    x = 6,563.81

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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.