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Finding the Fourth Proportional to 55,103.84, 76,042.96 and 29,953.32

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Solution

The fourth proportional to 55,103.84, 76,042.96 and 29,953.32 is: 41,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103.84 : 76,042.96 = 29,953.32 : x
  2. Step 2: Convert to fraction form
    55,103.84/76,042.96 = 29,953.32/x
  3. Step 3: Cross multiply
    55,103.84x = 76,042.96 × 29,953.32
  4. Step 4: Simplify right side
    55,103.84x = 2,277,739,114.63
  5. Step 5: Solve for x
    x = 2,277,739,114.63/55,103.84
  6. Step 6: Final answer
    x = 41,335.40

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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.