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Finding the Fourth Proportional to 50,416.64, 75,619.18 and 13,483.52

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Solution

The fourth proportional to 50,416.64, 75,619.18 and 13,483.52 is: 20,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.64 : 75,619.18 = 13,483.52 : x
  2. Step 2: Convert to fraction form
    50,416.64/75,619.18 = 13,483.52/x
  3. Step 3: Cross multiply
    50,416.64x = 75,619.18 × 13,483.52
  4. Step 4: Simplify right side
    50,416.64x = 1,019,612,725.91
  5. Step 5: Solve for x
    x = 1,019,612,725.91/50,416.64
  6. Step 6: Final answer
    x = 20,223.73

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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.