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Finding the Fourth Proportional to 35,388.04, 48,815.22 and 22,117

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Solution

The fourth proportional to 35,388.04, 48,815.22 and 22,117 is: 30,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.04 : 48,815.22 = 22,117 : x
  2. Step 2: Convert to fraction form
    35,388.04/48,815.22 = 22,117/x
  3. Step 3: Cross multiply
    35,388.04x = 48,815.22 × 22,117
  4. Step 4: Simplify right side
    35,388.04x = 1,079,646,220.74
  5. Step 5: Solve for x
    x = 1,079,646,220.74/35,388.04
  6. Step 6: Final answer
    x = 30,508.79

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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.