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Finding the Fourth Proportional to 52,754.77, 72,801.13 and 28,555.61

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Solution

The fourth proportional to 52,754.77, 72,801.13 and 28,555.61 is: 39,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.77 : 72,801.13 = 28,555.61 : x
  2. Step 2: Convert to fraction form
    52,754.77/72,801.13 = 28,555.61/x
  3. Step 3: Cross multiply
    52,754.77x = 72,801.13 × 28,555.61
  4. Step 4: Simplify right side
    52,754.77x = 2,078,880,908.25
  5. Step 5: Solve for x
    x = 2,078,880,908.25/52,754.77
  6. Step 6: Final answer
    x = 39,406.50

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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.