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Finding the Fourth Proportional to 9,753.56, 13,459.89 and 5,505.51

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Solution

The fourth proportional to 9,753.56, 13,459.89 and 5,505.51 is: 7,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.56 : 13,459.89 = 5,505.51 : x
  2. Step 2: Convert to fraction form
    9,753.56/13,459.89 = 5,505.51/x
  3. Step 3: Cross multiply
    9,753.56x = 13,459.89 × 5,505.51
  4. Step 4: Simplify right side
    9,753.56x = 74,103,558.99
  5. Step 5: Solve for x
    x = 74,103,558.99/9,753.56
  6. Step 6: Final answer
    x = 7,597.59

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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.