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Finding the Fourth Proportional to 29,970.55, 44,941.46 and 14,162.42

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Solution

The fourth proportional to 29,970.55, 44,941.46 and 14,162.42 is: 21,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.55 : 44,941.46 = 14,162.42 : x
  2. Step 2: Convert to fraction form
    29,970.55/44,941.46 = 14,162.42/x
  3. Step 3: Cross multiply
    29,970.55x = 44,941.46 × 14,162.42
  4. Step 4: Simplify right side
    29,970.55x = 636,479,831.93
  5. Step 5: Solve for x
    x = 636,479,831.93/29,970.55
  6. Step 6: Final answer
    x = 21,236.84

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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.