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Finding the Fourth Proportional to 14,989.42, 22,497.92 and 7,599.12

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Solution

The fourth proportional to 14,989.42, 22,497.92 and 7,599.12 is: 11,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.42 : 22,497.92 = 7,599.12 : x
  2. Step 2: Convert to fraction form
    14,989.42/22,497.92 = 7,599.12/x
  3. Step 3: Cross multiply
    14,989.42x = 22,497.92 × 7,599.12
  4. Step 4: Simplify right side
    14,989.42x = 170,964,393.83
  5. Step 5: Solve for x
    x = 170,964,393.83/14,989.42
  6. Step 6: Final answer
    x = 11,405.67

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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.