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Finding the Fourth Proportional to 5,077.68, 7,008.12 and 2,953.52

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Solution

The fourth proportional to 5,077.68, 7,008.12 and 2,953.52 is: 4,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.68 : 7,008.12 = 2,953.52 : x
  2. Step 2: Convert to fraction form
    5,077.68/7,008.12 = 2,953.52/x
  3. Step 3: Cross multiply
    5,077.68x = 7,008.12 × 2,953.52
  4. Step 4: Simplify right side
    5,077.68x = 20,698,622.58
  5. Step 5: Solve for x
    x = 20,698,622.58/5,077.68
  6. Step 6: Final answer
    x = 4,076.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.