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Finding the Fourth Proportional to 8,015.94, 11,061.79 and 4,479.17

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Solution

The fourth proportional to 8,015.94, 11,061.79 and 4,479.17 is: 6,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.94 : 11,061.79 = 4,479.17 : x
  2. Step 2: Convert to fraction form
    8,015.94/11,061.79 = 4,479.17/x
  3. Step 3: Cross multiply
    8,015.94x = 11,061.79 × 4,479.17
  4. Step 4: Simplify right side
    8,015.94x = 49,547,637.91
  5. Step 5: Solve for x
    x = 49,547,637.91/8,015.94
  6. Step 6: Final answer
    x = 6,181.14

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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.