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Finding the Fourth Proportional to 52,650.01, 72,657.07 and 28,776.70

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Solution

The fourth proportional to 52,650.01, 72,657.07 and 28,776.70 is: 39,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.01 : 72,657.07 = 28,776.70 : x
  2. Step 2: Convert to fraction form
    52,650.01/72,657.07 = 28,776.70/x
  3. Step 3: Cross multiply
    52,650.01x = 72,657.07 × 28,776.70
  4. Step 4: Simplify right side
    52,650.01x = 2,090,830,452.68
  5. Step 5: Solve for x
    x = 2,090,830,452.68/52,650.01
  6. Step 6: Final answer
    x = 39,711.87

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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.