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Finding the Fourth Proportional to 58,302.46, 80,425.80 and 48,170.98

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Solution

The fourth proportional to 58,302.46, 80,425.80 and 48,170.98 is: 66,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302.46 : 80,425.80 = 48,170.98 : x
  2. Step 2: Convert to fraction form
    58,302.46/80,425.80 = 48,170.98/x
  3. Step 3: Cross multiply
    58,302.46x = 80,425.80 × 48,170.98
  4. Step 4: Simplify right side
    58,302.46x = 3,874,189,603.28
  5. Step 5: Solve for x
    x = 3,874,189,603.28/58,302.46
  6. Step 6: Final answer
    x = 66,449.85

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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.