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Finding the Fourth Proportional to 11,435.58, 17,186.58 and 7,564.59

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Solution

The fourth proportional to 11,435.58, 17,186.58 and 7,564.59 is: 11,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.58 : 17,186.58 = 7,564.59 : x
  2. Step 2: Convert to fraction form
    11,435.58/17,186.58 = 7,564.59/x
  3. Step 3: Cross multiply
    11,435.58x = 17,186.58 × 7,564.59
  4. Step 4: Simplify right side
    11,435.58x = 130,009,431.20
  5. Step 5: Solve for x
    x = 130,009,431.20/11,435.58
  6. Step 6: Final answer
    x = 11,368.85

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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.