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Finding the Fourth Proportional to 13,464.65, 18,579.04 and 7,496.17

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Solution

The fourth proportional to 13,464.65, 18,579.04 and 7,496.17 is: 10,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.65 : 18,579.04 = 7,496.17 : x
  2. Step 2: Convert to fraction form
    13,464.65/18,579.04 = 7,496.17/x
  3. Step 3: Cross multiply
    13,464.65x = 18,579.04 × 7,496.17
  4. Step 4: Simplify right side
    13,464.65x = 139,271,577.09
  5. Step 5: Solve for x
    x = 139,271,577.09/13,464.65
  6. Step 6: Final answer
    x = 10,343.50

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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.