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Finding the Fourth Proportional to 52,627.68, 72,617.04 and 31,405.68

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Solution

The fourth proportional to 52,627.68, 72,617.04 and 31,405.68 is: 43,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,627.68 : 72,617.04 = 31,405.68 : x
  2. Step 2: Convert to fraction form
    52,627.68/72,617.04 = 31,405.68/x
  3. Step 3: Cross multiply
    52,627.68x = 72,617.04 × 31,405.68
  4. Step 4: Simplify right side
    52,627.68x = 2,280,587,520.79
  5. Step 5: Solve for x
    x = 2,280,587,520.79/52,627.68
  6. Step 6: Final answer
    x = 43,334.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.