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Finding the Fourth Proportional to 47,339.52, 65,359.68 and 36,564.80

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Solution

The fourth proportional to 47,339.52, 65,359.68 and 36,564.80 is: 50,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.52 : 65,359.68 = 36,564.80 : x
  2. Step 2: Convert to fraction form
    47,339.52/65,359.68 = 36,564.80/x
  3. Step 3: Cross multiply
    47,339.52x = 65,359.68 × 36,564.80
  4. Step 4: Simplify right side
    47,339.52x = 2,389,863,627.26
  5. Step 5: Solve for x
    x = 2,389,863,627.26/47,339.52
  6. Step 6: Final answer
    x = 50,483.48

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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.