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Finding the Fourth Proportional to 16,658.01, 24,987.05 and 4,971.23

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Solution

The fourth proportional to 16,658.01, 24,987.05 and 4,971.23 is: 7,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.01 : 24,987.05 = 4,971.23 : x
  2. Step 2: Convert to fraction form
    16,658.01/24,987.05 = 4,971.23/x
  3. Step 3: Cross multiply
    16,658.01x = 24,987.05 × 4,971.23
  4. Step 4: Simplify right side
    16,658.01x = 124,216,410.18
  5. Step 5: Solve for x
    x = 124,216,410.18/16,658.01
  6. Step 6: Final answer
    x = 7,456.86

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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.