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Finding the Fourth Proportional to 4,502.94, 6,215.08 and 2,928.30

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Solution

The fourth proportional to 4,502.94, 6,215.08 and 2,928.30 is: 4,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.94 : 6,215.08 = 2,928.30 : x
  2. Step 2: Convert to fraction form
    4,502.94/6,215.08 = 2,928.30/x
  3. Step 3: Cross multiply
    4,502.94x = 6,215.08 × 2,928.30
  4. Step 4: Simplify right side
    4,502.94x = 18,199,618.76
  5. Step 5: Solve for x
    x = 18,199,618.76/4,502.94
  6. Step 6: Final answer
    x = 4,041.72

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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.