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Finding the Fourth Proportional to 35,812.87, 49,404.94 and 21,465.84

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Solution

The fourth proportional to 35,812.87, 49,404.94 and 21,465.84 is: 29,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.87 : 49,404.94 = 21,465.84 : x
  2. Step 2: Convert to fraction form
    35,812.87/49,404.94 = 21,465.84/x
  3. Step 3: Cross multiply
    35,812.87x = 49,404.94 × 21,465.84
  4. Step 4: Simplify right side
    35,812.87x = 1,060,518,668.85
  5. Step 5: Solve for x
    x = 1,060,518,668.85/35,812.87
  6. Step 6: Final answer
    x = 29,612.78

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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.