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Finding the Fourth Proportional to 4,530.28, 6,264.12 and 3,947.08

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Solution

The fourth proportional to 4,530.28, 6,264.12 and 3,947.08 is: 5,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.28 : 6,264.12 = 3,947.08 : x
  2. Step 2: Convert to fraction form
    4,530.28/6,264.12 = 3,947.08/x
  3. Step 3: Cross multiply
    4,530.28x = 6,264.12 × 3,947.08
  4. Step 4: Simplify right side
    4,530.28x = 24,724,982.77
  5. Step 5: Solve for x
    x = 24,724,982.77/4,530.28
  6. Step 6: Final answer
    x = 5,457.72

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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.