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Finding the Fourth Proportional to 7,457.84, 11,187.84 and 2,264.16

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Solution

The fourth proportional to 7,457.84, 11,187.84 and 2,264.16 is: 3,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.84 : 11,187.84 = 2,264.16 : x
  2. Step 2: Convert to fraction form
    7,457.84/11,187.84 = 2,264.16/x
  3. Step 3: Cross multiply
    7,457.84x = 11,187.84 × 2,264.16
  4. Step 4: Simplify right side
    7,457.84x = 25,331,059.81
  5. Step 5: Solve for x
    x = 25,331,059.81/7,457.84
  6. Step 6: Final answer
    x = 3,396.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.