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Finding the Fourth Proportional to 7,658.59, 10,568.58 and 4,679.41

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Solution

The fourth proportional to 7,658.59, 10,568.58 and 4,679.41 is: 6,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.59 : 10,568.58 = 4,679.41 : x
  2. Step 2: Convert to fraction form
    7,658.59/10,568.58 = 4,679.41/x
  3. Step 3: Cross multiply
    7,658.59x = 10,568.58 × 4,679.41
  4. Step 4: Simplify right side
    7,658.59x = 49,454,666.09
  5. Step 5: Solve for x
    x = 49,454,666.09/7,658.59
  6. Step 6: Final answer
    x = 6,457.42

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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.