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Finding the Fourth Proportional to 52,765.88, 72,817.03 and 28,567.10

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Solution

The fourth proportional to 52,765.88, 72,817.03 and 28,567.10 is: 39,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.88 : 72,817.03 = 28,567.10 : x
  2. Step 2: Convert to fraction form
    52,765.88/72,817.03 = 28,567.10/x
  3. Step 3: Cross multiply
    52,765.88x = 72,817.03 × 28,567.10
  4. Step 4: Simplify right side
    52,765.88x = 2,080,171,539.28
  5. Step 5: Solve for x
    x = 2,080,171,539.28/52,765.88
  6. Step 6: Final answer
    x = 39,422.66

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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.