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Finding the Fourth Proportional to 7,315.66, 10,098.84 and 4,797.82

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Solution

The fourth proportional to 7,315.66, 10,098.84 and 4,797.82 is: 6,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.66 : 10,098.84 = 4,797.82 : x
  2. Step 2: Convert to fraction form
    7,315.66/10,098.84 = 4,797.82/x
  3. Step 3: Cross multiply
    7,315.66x = 10,098.84 × 4,797.82
  4. Step 4: Simplify right side
    7,315.66x = 48,452,416.53
  5. Step 5: Solve for x
    x = 48,452,416.53/7,315.66
  6. Step 6: Final answer
    x = 6,623.11

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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.