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Finding the Fourth Proportional to 16,668.93, 24,985.98 and 7,893.39

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Solution

The fourth proportional to 16,668.93, 24,985.98 and 7,893.39 is: 11,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.93 : 24,985.98 = 7,893.39 : x
  2. Step 2: Convert to fraction form
    16,668.93/24,985.98 = 7,893.39/x
  3. Step 3: Cross multiply
    16,668.93x = 24,985.98 × 7,893.39
  4. Step 4: Simplify right side
    16,668.93x = 197,224,084.67
  5. Step 5: Solve for x
    x = 197,224,084.67/16,668.93
  6. Step 6: Final answer
    x = 11,831.84

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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.