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Finding the Fourth Proportional to 43,354.88, 64,992.88 and 16,683.84

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Solution

The fourth proportional to 43,354.88, 64,992.88 and 16,683.84 is: 25,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.88 : 64,992.88 = 16,683.84 : x
  2. Step 2: Convert to fraction form
    43,354.88/64,992.88 = 16,683.84/x
  3. Step 3: Cross multiply
    43,354.88x = 64,992.88 × 16,683.84
  4. Step 4: Simplify right side
    43,354.88x = 1,084,330,831.91
  5. Step 5: Solve for x
    x = 1,084,330,831.91/43,354.88
  6. Step 6: Final answer
    x = 25,010.58

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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.