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Finding the Fourth Proportional to 11,641.58, 16,068.47 and 7,169.08

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Solution

The fourth proportional to 11,641.58, 16,068.47 and 7,169.08 is: 9,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.58 : 16,068.47 = 7,169.08 : x
  2. Step 2: Convert to fraction form
    11,641.58/16,068.47 = 7,169.08/x
  3. Step 3: Cross multiply
    11,641.58x = 16,068.47 × 7,169.08
  4. Step 4: Simplify right side
    11,641.58x = 115,196,097.78
  5. Step 5: Solve for x
    x = 115,196,097.78/11,641.58
  6. Step 6: Final answer
    x = 9,895.23

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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.