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Finding the Fourth Proportional to 47,866.40, 66,053.84 and 26,645.22

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Solution

The fourth proportional to 47,866.40, 66,053.84 and 26,645.22 is: 36,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.40 : 66,053.84 = 26,645.22 : x
  2. Step 2: Convert to fraction form
    47,866.40/66,053.84 = 26,645.22/x
  3. Step 3: Cross multiply
    47,866.40x = 66,053.84 × 26,645.22
  4. Step 4: Simplify right side
    47,866.40x = 1,760,019,098.64
  5. Step 5: Solve for x
    x = 1,760,019,098.64/47,866.40
  6. Step 6: Final answer
    x = 36,769.41

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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.