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Finding the Fourth Proportional to 24,455.88, 36,679.47 and 6,921.60

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Solution

The fourth proportional to 24,455.88, 36,679.47 and 6,921.60 is: 10,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,455.88 : 36,679.47 = 6,921.60 : x
  2. Step 2: Convert to fraction form
    24,455.88/36,679.47 = 6,921.60/x
  3. Step 3: Cross multiply
    24,455.88x = 36,679.47 × 6,921.60
  4. Step 4: Simplify right side
    24,455.88x = 253,880,619.55
  5. Step 5: Solve for x
    x = 253,880,619.55/24,455.88
  6. Step 6: Final answer
    x = 10,381.17

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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.