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Finding the Fourth Proportional to 58,235.39, 80,364.81 and 33,084.89

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Solution

The fourth proportional to 58,235.39, 80,364.81 and 33,084.89 is: 45,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.39 : 80,364.81 = 33,084.89 : x
  2. Step 2: Convert to fraction form
    58,235.39/80,364.81 = 33,084.89/x
  3. Step 3: Cross multiply
    58,235.39x = 80,364.81 × 33,084.89
  4. Step 4: Simplify right side
    58,235.39x = 2,658,860,898.72
  5. Step 5: Solve for x
    x = 2,658,860,898.72/58,235.39
  6. Step 6: Final answer
    x = 45,657.13

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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.