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Finding the Fourth Proportional to 35,381.72, 48,828.02 and 19,467.32

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Solution

The fourth proportional to 35,381.72, 48,828.02 and 19,467.32 is: 26,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.72 : 48,828.02 = 19,467.32 : x
  2. Step 2: Convert to fraction form
    35,381.72/48,828.02 = 19,467.32/x
  3. Step 3: Cross multiply
    35,381.72x = 48,828.02 × 19,467.32
  4. Step 4: Simplify right side
    35,381.72x = 950,550,690.31
  5. Step 5: Solve for x
    x = 950,550,690.31/35,381.72
  6. Step 6: Final answer
    x = 26,865.59

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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.