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Finding the Fourth Proportional to 58,990.92, 81,407.58 and 35,118.42

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Solution

The fourth proportional to 58,990.92, 81,407.58 and 35,118.42 is: 48,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.92 : 81,407.58 = 35,118.42 : x
  2. Step 2: Convert to fraction form
    58,990.92/81,407.58 = 35,118.42/x
  3. Step 3: Cross multiply
    58,990.92x = 81,407.58 × 35,118.42
  4. Step 4: Simplify right side
    58,990.92x = 2,858,905,585.62
  5. Step 5: Solve for x
    x = 2,858,905,585.62/58,990.92
  6. Step 6: Final answer
    x = 48,463.49

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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.