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Finding the Fourth Proportional to 4,530.40, 6,252.04 and 2,642.40

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Solution

The fourth proportional to 4,530.40, 6,252.04 and 2,642.40 is: 3,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.40 : 6,252.04 = 2,642.40 : x
  2. Step 2: Convert to fraction form
    4,530.40/6,252.04 = 2,642.40/x
  3. Step 3: Cross multiply
    4,530.40x = 6,252.04 × 2,642.40
  4. Step 4: Simplify right side
    4,530.40x = 16,520,390.50
  5. Step 5: Solve for x
    x = 16,520,390.50/4,530.40
  6. Step 6: Final answer
    x = 3,646.56

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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.