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Finding the Fourth Proportional to 44,722.64, 67,079.64 and 13,558.16

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Solution

The fourth proportional to 44,722.64, 67,079.64 and 13,558.16 is: 20,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,722.64 : 67,079.64 = 13,558.16 : x
  2. Step 2: Convert to fraction form
    44,722.64/67,079.64 = 13,558.16/x
  3. Step 3: Cross multiply
    44,722.64x = 67,079.64 × 13,558.16
  4. Step 4: Simplify right side
    44,722.64x = 909,476,491.86
  5. Step 5: Solve for x
    x = 909,476,491.86/44,722.64
  6. Step 6: Final answer
    x = 20,335.93

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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.