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Finding the Fourth Proportional to 52,630.95, 72,630.98 and 28,757.69

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Solution

The fourth proportional to 52,630.95, 72,630.98 and 28,757.69 is: 39,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,630.95 : 72,630.98 = 28,757.69 : x
  2. Step 2: Convert to fraction form
    52,630.95/72,630.98 = 28,757.69/x
  3. Step 3: Cross multiply
    52,630.95x = 72,630.98 × 28,757.69
  4. Step 4: Simplify right side
    52,630.95x = 2,088,699,207.24
  5. Step 5: Solve for x
    x = 2,088,699,207.24/52,630.95
  6. Step 6: Final answer
    x = 39,685.76

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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.