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Finding the Fourth Proportional to 5,053.19, 6,958.91 and 5,036.78

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Solution

The fourth proportional to 5,053.19, 6,958.91 and 5,036.78 is: 6,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.19 : 6,958.91 = 5,036.78 : x
  2. Step 2: Convert to fraction form
    5,053.19/6,958.91 = 5,036.78/x
  3. Step 3: Cross multiply
    5,053.19x = 6,958.91 × 5,036.78
  4. Step 4: Simplify right side
    5,053.19x = 35,050,528.70
  5. Step 5: Solve for x
    x = 35,050,528.70/5,053.19
  6. Step 6: Final answer
    x = 6,936.32

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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.