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Finding the Fourth Proportional to 7,503.80, 11,254.72 and 1,957.56

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Solution

The fourth proportional to 7,503.80, 11,254.72 and 1,957.56 is: 2,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.80 : 11,254.72 = 1,957.56 : x
  2. Step 2: Convert to fraction form
    7,503.80/11,254.72 = 1,957.56/x
  3. Step 3: Cross multiply
    7,503.80x = 11,254.72 × 1,957.56
  4. Step 4: Simplify right side
    7,503.80x = 22,031,789.68
  5. Step 5: Solve for x
    x = 22,031,789.68/7,503.80
  6. Step 6: Final answer
    x = 2,936.08

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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.