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Finding the Fourth Proportional to 10,925, 16,387.50 and 3,535.64

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Solution

The fourth proportional to 10,925, 16,387.50 and 3,535.64 is: 5,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925 : 16,387.50 = 3,535.64 : x
  2. Step 2: Convert to fraction form
    10,925/16,387.50 = 3,535.64/x
  3. Step 3: Cross multiply
    10,925x = 16,387.50 × 3,535.64
  4. Step 4: Simplify right side
    10,925x = 57,940,300.50
  5. Step 5: Solve for x
    x = 57,940,300.50/10,925
  6. Step 6: Final answer
    x = 5,303.46

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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.