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Finding the Fourth Proportional to 58,534.70, 87,672.45 and 48,166.70

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Solution

The fourth proportional to 58,534.70, 87,672.45 and 48,166.70 is: 72,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,534.70 : 87,672.45 = 48,166.70 : x
  2. Step 2: Convert to fraction form
    58,534.70/87,672.45 = 48,166.70/x
  3. Step 3: Cross multiply
    58,534.70x = 87,672.45 × 48,166.70
  4. Step 4: Simplify right side
    58,534.70x = 4,222,892,597.42
  5. Step 5: Solve for x
    x = 4,222,892,597.42/58,534.70
  6. Step 6: Final answer
    x = 72,143.41

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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.