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Finding the Fourth Proportional to 4,973.03, 7,459.46 and 1,275.22

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Solution

The fourth proportional to 4,973.03, 7,459.46 and 1,275.22 is: 1,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.03 : 7,459.46 = 1,275.22 : x
  2. Step 2: Convert to fraction form
    4,973.03/7,459.46 = 1,275.22/x
  3. Step 3: Cross multiply
    4,973.03x = 7,459.46 × 1,275.22
  4. Step 4: Simplify right side
    4,973.03x = 9,512,460.31
  5. Step 5: Solve for x
    x = 9,512,460.31/4,973.03
  6. Step 6: Final answer
    x = 1,912.81

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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.