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Finding the Fourth Proportional to 8,733.78, 12,051.57 and 4,957.38

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Solution

The fourth proportional to 8,733.78, 12,051.57 and 4,957.38 is: 6,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.78 : 12,051.57 = 4,957.38 : x
  2. Step 2: Convert to fraction form
    8,733.78/12,051.57 = 4,957.38/x
  3. Step 3: Cross multiply
    8,733.78x = 12,051.57 × 4,957.38
  4. Step 4: Simplify right side
    8,733.78x = 59,744,212.09
  5. Step 5: Solve for x
    x = 59,744,212.09/8,733.78
  6. Step 6: Final answer
    x = 6,840.59

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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.