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Finding the Fourth Proportional to 34,801.76, 52,200.78 and 12,310.88

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Solution

The fourth proportional to 34,801.76, 52,200.78 and 12,310.88 is: 18,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,801.76 : 52,200.78 = 12,310.88 : x
  2. Step 2: Convert to fraction form
    34,801.76/52,200.78 = 12,310.88/x
  3. Step 3: Cross multiply
    34,801.76x = 52,200.78 × 12,310.88
  4. Step 4: Simplify right side
    34,801.76x = 642,637,538.49
  5. Step 5: Solve for x
    x = 642,637,538.49/34,801.76
  6. Step 6: Final answer
    x = 18,465.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.