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Finding the Fourth Proportional to 14,095.81, 19,452.86 and 7,808.19

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Solution

The fourth proportional to 14,095.81, 19,452.86 and 7,808.19 is: 10,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.81 : 19,452.86 = 7,808.19 : x
  2. Step 2: Convert to fraction form
    14,095.81/19,452.86 = 7,808.19/x
  3. Step 3: Cross multiply
    14,095.81x = 19,452.86 × 7,808.19
  4. Step 4: Simplify right side
    14,095.81x = 151,891,626.92
  5. Step 5: Solve for x
    x = 151,891,626.92/14,095.81
  6. Step 6: Final answer
    x = 10,775.66

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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.