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Finding the Fourth Proportional to 14,894.42, 22,308.82 and 9,940.86

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Solution

The fourth proportional to 14,894.42, 22,308.82 and 9,940.86 is: 14,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.42 : 22,308.82 = 9,940.86 : x
  2. Step 2: Convert to fraction form
    14,894.42/22,308.82 = 9,940.86/x
  3. Step 3: Cross multiply
    14,894.42x = 22,308.82 × 9,940.86
  4. Step 4: Simplify right side
    14,894.42x = 221,768,831.53
  5. Step 5: Solve for x
    x = 221,768,831.53/14,894.42
  6. Step 6: Final answer
    x = 14,889.40

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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.