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Finding the Fourth Proportional to 10,528, 15,793.28 and 3,232

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Solution

The fourth proportional to 10,528, 15,793.28 and 3,232 is: 4,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528 : 15,793.28 = 3,232 : x
  2. Step 2: Convert to fraction form
    10,528/15,793.28 = 3,232/x
  3. Step 3: Cross multiply
    10,528x = 15,793.28 × 3,232
  4. Step 4: Simplify right side
    10,528x = 51,043,880.96
  5. Step 5: Solve for x
    x = 51,043,880.96/10,528
  6. Step 6: Final answer
    x = 4,848.39

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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.