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Finding the Fourth Proportional to 35,256.50, 48,653.90 and 19,340.91

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Solution

The fourth proportional to 35,256.50, 48,653.90 and 19,340.91 is: 26,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,256.50 : 48,653.90 = 19,340.91 : x
  2. Step 2: Convert to fraction form
    35,256.50/48,653.90 = 19,340.91/x
  3. Step 3: Cross multiply
    35,256.50x = 48,653.90 × 19,340.91
  4. Step 4: Simplify right side
    35,256.50x = 941,010,676.87
  5. Step 5: Solve for x
    x = 941,010,676.87/35,256.50
  6. Step 6: Final answer
    x = 26,690.42

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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.