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Finding the Fourth Proportional to 11,465.04, 17,171.88 and 9,965.04

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Solution

The fourth proportional to 11,465.04, 17,171.88 and 9,965.04 is: 14,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.04 : 17,171.88 = 9,965.04 : x
  2. Step 2: Convert to fraction form
    11,465.04/17,171.88 = 9,965.04/x
  3. Step 3: Cross multiply
    11,465.04x = 17,171.88 × 9,965.04
  4. Step 4: Simplify right side
    11,465.04x = 171,118,471.08
  5. Step 5: Solve for x
    x = 171,118,471.08/11,465.04
  6. Step 6: Final answer
    x = 14,925.24

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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.