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Finding the Fourth Proportional to 15,989.79, 23,984.73 and 5,599.11

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Solution

The fourth proportional to 15,989.79, 23,984.73 and 5,599.11 is: 8,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.79 : 23,984.73 = 5,599.11 : x
  2. Step 2: Convert to fraction form
    15,989.79/23,984.73 = 5,599.11/x
  3. Step 3: Cross multiply
    15,989.79x = 23,984.73 × 5,599.11
  4. Step 4: Simplify right side
    15,989.79x = 134,293,141.59
  5. Step 5: Solve for x
    x = 134,293,141.59/15,989.79
  6. Step 6: Final answer
    x = 8,398.68

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Double scale
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Similar ratio
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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.