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Finding the Fourth Proportional to 11,775.15, 17,646.65 and 5,935.71

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Solution

The fourth proportional to 11,775.15, 17,646.65 and 5,935.71 is: 8,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.15 : 17,646.65 = 5,935.71 : x
  2. Step 2: Convert to fraction form
    11,775.15/17,646.65 = 5,935.71/x
  3. Step 3: Cross multiply
    11,775.15x = 17,646.65 × 5,935.71
  4. Step 4: Simplify right side
    11,775.15x = 104,745,367.19
  5. Step 5: Solve for x
    x = 104,745,367.19/11,775.15
  6. Step 6: Final answer
    x = 8,895.46

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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.