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Finding the Fourth Proportional to 58,691.58, 80,904.84 and 35,988.54

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Solution

The fourth proportional to 58,691.58, 80,904.84 and 35,988.54 is: 49,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.58 : 80,904.84 = 35,988.54 : x
  2. Step 2: Convert to fraction form
    58,691.58/80,904.84 = 35,988.54/x
  3. Step 3: Cross multiply
    58,691.58x = 80,904.84 × 35,988.54
  4. Step 4: Simplify right side
    58,691.58x = 2,911,647,070.53
  5. Step 5: Solve for x
    x = 2,911,647,070.53/58,691.58
  6. Step 6: Final answer
    x = 49,609.28

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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.