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Finding the Fourth Proportional to 4,759.48, 7,135.48 and 2,911.48

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Solution

The fourth proportional to 4,759.48, 7,135.48 and 2,911.48 is: 4,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.48 : 7,135.48 = 2,911.48 : x
  2. Step 2: Convert to fraction form
    4,759.48/7,135.48 = 2,911.48/x
  3. Step 3: Cross multiply
    4,759.48x = 7,135.48 × 2,911.48
  4. Step 4: Simplify right side
    4,759.48x = 20,774,807.31
  5. Step 5: Solve for x
    x = 20,774,807.31/4,759.48
  6. Step 6: Final answer
    x = 4,364.93

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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.