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Finding the Fourth Proportional to 47,891.39, 66,085.39 and 26,672.63

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Solution

The fourth proportional to 47,891.39, 66,085.39 and 26,672.63 is: 36,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.39 : 66,085.39 = 26,672.63 : x
  2. Step 2: Convert to fraction form
    47,891.39/66,085.39 = 26,672.63/x
  3. Step 3: Cross multiply
    47,891.39x = 66,085.39 × 26,672.63
  4. Step 4: Simplify right side
    47,891.39x = 1,762,671,354.43
  5. Step 5: Solve for x
    x = 1,762,671,354.43/47,891.39
  6. Step 6: Final answer
    x = 36,805.60

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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.