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Finding the Fourth Proportional to 8,160.99, 12,248.61 and 4,658.01

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Solution

The fourth proportional to 8,160.99, 12,248.61 and 4,658.01 is: 6,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.99 : 12,248.61 = 4,658.01 : x
  2. Step 2: Convert to fraction form
    8,160.99/12,248.61 = 4,658.01/x
  3. Step 3: Cross multiply
    8,160.99x = 12,248.61 × 4,658.01
  4. Step 4: Simplify right side
    8,160.99x = 57,054,147.87
  5. Step 5: Solve for x
    x = 57,054,147.87/8,160.99
  6. Step 6: Final answer
    x = 6,991.08

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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.