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Finding the Fourth Proportional to 4,995.50, 7,493.25 and 1,347.50

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Solution

The fourth proportional to 4,995.50, 7,493.25 and 1,347.50 is: 2,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.50 : 7,493.25 = 1,347.50 : x
  2. Step 2: Convert to fraction form
    4,995.50/7,493.25 = 1,347.50/x
  3. Step 3: Cross multiply
    4,995.50x = 7,493.25 × 1,347.50
  4. Step 4: Simplify right side
    4,995.50x = 10,097,154.38
  5. Step 5: Solve for x
    x = 10,097,154.38/4,995.50
  6. Step 6: Final answer
    x = 2,021.25

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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.