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Finding the Fourth Proportional to 11,297.68, 15,599.99 and 7,053.68

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Solution

The fourth proportional to 11,297.68, 15,599.99 and 7,053.68 is: 9,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.68 : 15,599.99 = 7,053.68 : x
  2. Step 2: Convert to fraction form
    11,297.68/15,599.99 = 7,053.68/x
  3. Step 3: Cross multiply
    11,297.68x = 15,599.99 × 7,053.68
  4. Step 4: Simplify right side
    11,297.68x = 110,037,394.10
  5. Step 5: Solve for x
    x = 110,037,394.10/11,297.68
  6. Step 6: Final answer
    x = 9,739.82

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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.