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Finding the Fourth Proportional to 65,567.25, 90,481.95 and 36,886.83

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Solution

The fourth proportional to 65,567.25, 90,481.95 and 36,886.83 is: 50,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567.25 : 90,481.95 = 36,886.83 : x
  2. Step 2: Convert to fraction form
    65,567.25/90,481.95 = 36,886.83/x
  3. Step 3: Cross multiply
    65,567.25x = 90,481.95 × 36,886.83
  4. Step 4: Simplify right side
    65,567.25x = 3,337,592,307.72
  5. Step 5: Solve for x
    x = 3,337,592,307.72/65,567.25
  6. Step 6: Final answer
    x = 50,903.34

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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.