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Finding the Fourth Proportional to 52,282.99, 72,150.98 and 28,409.66

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Solution

The fourth proportional to 52,282.99, 72,150.98 and 28,409.66 is: 39,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.99 : 72,150.98 = 28,409.66 : x
  2. Step 2: Convert to fraction form
    52,282.99/72,150.98 = 28,409.66/x
  3. Step 3: Cross multiply
    52,282.99x = 72,150.98 × 28,409.66
  4. Step 4: Simplify right side
    52,282.99x = 2,049,784,955.33
  5. Step 5: Solve for x
    x = 2,049,784,955.33/52,282.99
  6. Step 6: Final answer
    x = 39,205.58

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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.