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Finding the Fourth Proportional to 47,344.92, 65,330.46 and 28,483.80

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Solution

The fourth proportional to 47,344.92, 65,330.46 and 28,483.80 is: 39,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,344.92 : 65,330.46 = 28,483.80 : x
  2. Step 2: Convert to fraction form
    47,344.92/65,330.46 = 28,483.80/x
  3. Step 3: Cross multiply
    47,344.92x = 65,330.46 × 28,483.80
  4. Step 4: Simplify right side
    47,344.92x = 1,860,859,756.55
  5. Step 5: Solve for x
    x = 1,860,859,756.55/47,344.92
  6. Step 6: Final answer
    x = 39,304.32

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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.