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Finding the Fourth Proportional to 29,345.57, 40,512.57 and 22,958.58

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Solution

The fourth proportional to 29,345.57, 40,512.57 and 22,958.58 is: 31,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.57 : 40,512.57 = 22,958.58 : x
  2. Step 2: Convert to fraction form
    29,345.57/40,512.57 = 22,958.58/x
  3. Step 3: Cross multiply
    29,345.57x = 40,512.57 × 22,958.58
  4. Step 4: Simplify right side
    29,345.57x = 930,111,079.35
  5. Step 5: Solve for x
    x = 930,111,079.35/29,345.57
  6. Step 6: Final answer
    x = 31,695.12

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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.