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Finding the Fourth Proportional to 58,123.62, 87,045.21 and 33,087.74

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Solution

The fourth proportional to 58,123.62, 87,045.21 and 33,087.74 is: 49,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,123.62 : 87,045.21 = 33,087.74 : x
  2. Step 2: Convert to fraction form
    58,123.62/87,045.21 = 33,087.74/x
  3. Step 3: Cross multiply
    58,123.62x = 87,045.21 × 33,087.74
  4. Step 4: Simplify right side
    58,123.62x = 2,880,128,841.50
  5. Step 5: Solve for x
    x = 2,880,128,841.50/58,123.62
  6. Step 6: Final answer
    x = 49,551.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.