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Finding the Fourth Proportional to 40,673.84, 61,128.84 and 26,910.32

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Solution

The fourth proportional to 40,673.84, 61,128.84 and 26,910.32 is: 40,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,673.84 : 61,128.84 = 26,910.32 : x
  2. Step 2: Convert to fraction form
    40,673.84/61,128.84 = 26,910.32/x
  3. Step 3: Cross multiply
    40,673.84x = 61,128.84 × 26,910.32
  4. Step 4: Simplify right side
    40,673.84x = 1,644,996,645.63
  5. Step 5: Solve for x
    x = 1,644,996,645.63/40,673.84
  6. Step 6: Final answer
    x = 40,443.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.