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Finding the Fourth Proportional to 57,666.88, 79,566.78 and 35,005.33

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Solution

The fourth proportional to 57,666.88, 79,566.78 and 35,005.33 is: 48,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.88 : 79,566.78 = 35,005.33 : x
  2. Step 2: Convert to fraction form
    57,666.88/79,566.78 = 35,005.33/x
  3. Step 3: Cross multiply
    57,666.88x = 79,566.78 × 35,005.33
  4. Step 4: Simplify right side
    57,666.88x = 2,785,261,390.94
  5. Step 5: Solve for x
    x = 2,785,261,390.94/57,666.88
  6. Step 6: Final answer
    x = 48,299.15

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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.