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Finding the Fourth Proportional to 8,173.44, 12,240 and 4,700.16

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Solution

The fourth proportional to 8,173.44, 12,240 and 4,700.16 is: 7,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.44 : 12,240 = 4,700.16 : x
  2. Step 2: Convert to fraction form
    8,173.44/12,240 = 4,700.16/x
  3. Step 3: Cross multiply
    8,173.44x = 12,240 × 4,700.16
  4. Step 4: Simplify right side
    8,173.44x = 57,529,958.40
  5. Step 5: Solve for x
    x = 57,529,958.40/8,173.44
  6. Step 6: Final answer
    x = 7,038.65

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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.