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Finding the Fourth Proportional to 10,607.84, 15,906.72 and 4,365.44

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Solution

The fourth proportional to 10,607.84, 15,906.72 and 4,365.44 is: 6,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.84 : 15,906.72 = 4,365.44 : x
  2. Step 2: Convert to fraction form
    10,607.84/15,906.72 = 4,365.44/x
  3. Step 3: Cross multiply
    10,607.84x = 15,906.72 × 4,365.44
  4. Step 4: Simplify right side
    10,607.84x = 69,439,831.76
  5. Step 5: Solve for x
    x = 69,439,831.76/10,607.84
  6. Step 6: Final answer
    x = 6,546.09

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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.