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Finding the Fourth Proportional to 66,673.94, 92,001.22 and 42,832.80

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Solution

The fourth proportional to 66,673.94, 92,001.22 and 42,832.80 is: 59,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,673.94 : 92,001.22 = 42,832.80 : x
  2. Step 2: Convert to fraction form
    66,673.94/92,001.22 = 42,832.80/x
  3. Step 3: Cross multiply
    66,673.94x = 92,001.22 × 42,832.80
  4. Step 4: Simplify right side
    66,673.94x = 3,940,669,748.93
  5. Step 5: Solve for x
    x = 3,940,669,748.93/66,673.94
  6. Step 6: Final answer
    x = 59,103.60

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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.