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Finding the Fourth Proportional to 58,654.42, 80,924.07 and 33,158.32

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Solution

The fourth proportional to 58,654.42, 80,924.07 and 33,158.32 is: 45,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,654.42 : 80,924.07 = 33,158.32 : x
  2. Step 2: Convert to fraction form
    58,654.42/80,924.07 = 33,158.32/x
  3. Step 3: Cross multiply
    58,654.42x = 80,924.07 × 33,158.32
  4. Step 4: Simplify right side
    58,654.42x = 2,683,306,208.76
  5. Step 5: Solve for x
    x = 2,683,306,208.76/58,654.42
  6. Step 6: Final answer
    x = 45,747.72

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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.