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Finding the Fourth Proportional to 58,333.80, 80,381.22 and 54,659.64

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Solution

The fourth proportional to 58,333.80, 80,381.22 and 54,659.64 is: 75,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,333.80 : 80,381.22 = 54,659.64 : x
  2. Step 2: Convert to fraction form
    58,333.80/80,381.22 = 54,659.64/x
  3. Step 3: Cross multiply
    58,333.80x = 80,381.22 × 54,659.64
  4. Step 4: Simplify right side
    58,333.80x = 4,393,608,547.96
  5. Step 5: Solve for x
    x = 4,393,608,547.96/58,333.80
  6. Step 6: Final answer
    x = 75,318.40

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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.