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Finding the Fourth Proportional to 8,582.79, 12,883.37 and 7,601.70

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Solution

The fourth proportional to 8,582.79, 12,883.37 and 7,601.70 is: 11,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.79 : 12,883.37 = 7,601.70 : x
  2. Step 2: Convert to fraction form
    8,582.79/12,883.37 = 7,601.70/x
  3. Step 3: Cross multiply
    8,582.79x = 12,883.37 × 7,601.70
  4. Step 4: Simplify right side
    8,582.79x = 97,935,475.72
  5. Step 5: Solve for x
    x = 97,935,475.72/8,582.79
  6. Step 6: Final answer
    x = 11,410.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.