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Finding the Fourth Proportional to 4,751.31, 6,558.63 and 4,253.07

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Solution

The fourth proportional to 4,751.31, 6,558.63 and 4,253.07 is: 5,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.31 : 6,558.63 = 4,253.07 : x
  2. Step 2: Convert to fraction form
    4,751.31/6,558.63 = 4,253.07/x
  3. Step 3: Cross multiply
    4,751.31x = 6,558.63 × 4,253.07
  4. Step 4: Simplify right side
    4,751.31x = 27,894,279.70
  5. Step 5: Solve for x
    x = 27,894,279.70/4,751.31
  6. Step 6: Final answer
    x = 5,870.87

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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.