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Finding the Fourth Proportional to 35,079.75, 48,411.12 and 19,165.22

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Solution

The fourth proportional to 35,079.75, 48,411.12 and 19,165.22 is: 26,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.75 : 48,411.12 = 19,165.22 : x
  2. Step 2: Convert to fraction form
    35,079.75/48,411.12 = 19,165.22/x
  3. Step 3: Cross multiply
    35,079.75x = 48,411.12 × 19,165.22
  4. Step 4: Simplify right side
    35,079.75x = 927,809,941.11
  5. Step 5: Solve for x
    x = 927,809,941.11/35,079.75
  6. Step 6: Final answer
    x = 26,448.59

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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.