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Finding the Fourth Proportional to 9,754.43, 13,457.79 and 5,504.99

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Solution

The fourth proportional to 9,754.43, 13,457.79 and 5,504.99 is: 7,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,754.43 : 13,457.79 = 5,504.99 : x
  2. Step 2: Convert to fraction form
    9,754.43/13,457.79 = 5,504.99/x
  3. Step 3: Cross multiply
    9,754.43x = 13,457.79 × 5,504.99
  4. Step 4: Simplify right side
    9,754.43x = 74,084,932.08
  5. Step 5: Solve for x
    x = 74,084,932.08/9,754.43
  6. Step 6: Final answer
    x = 7,595.01

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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.