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Finding the Fourth Proportional to 12,253.84, 18,369.84 and 5,670.98

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Solution

The fourth proportional to 12,253.84, 18,369.84 and 5,670.98 is: 8,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.84 : 18,369.84 = 5,670.98 : x
  2. Step 2: Convert to fraction form
    12,253.84/18,369.84 = 5,670.98/x
  3. Step 3: Cross multiply
    12,253.84x = 18,369.84 × 5,670.98
  4. Step 4: Simplify right side
    12,253.84x = 104,174,995.24
  5. Step 5: Solve for x
    x = 104,174,995.24/12,253.84
  6. Step 6: Final answer
    x = 8,501.42

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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.