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Finding the Fourth Proportional to 16,599.66, 24,905.65 and 7,719.76

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Solution

The fourth proportional to 16,599.66, 24,905.65 and 7,719.76 is: 11,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,599.66 : 24,905.65 = 7,719.76 : x
  2. Step 2: Convert to fraction form
    16,599.66/24,905.65 = 7,719.76/x
  3. Step 3: Cross multiply
    16,599.66x = 24,905.65 × 7,719.76
  4. Step 4: Simplify right side
    16,599.66x = 192,265,548.57
  5. Step 5: Solve for x
    x = 192,265,548.57/16,599.66
  6. Step 6: Final answer
    x = 11,582.50

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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.