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Finding the Fourth Proportional to 58,671.06, 80,944.80 and 38,538.84

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Solution

The fourth proportional to 58,671.06, 80,944.80 and 38,538.84 is: 53,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.06 : 80,944.80 = 38,538.84 : x
  2. Step 2: Convert to fraction form
    58,671.06/80,944.80 = 38,538.84/x
  3. Step 3: Cross multiply
    58,671.06x = 80,944.80 × 38,538.84
  4. Step 4: Simplify right side
    58,671.06x = 3,119,518,696.03
  5. Step 5: Solve for x
    x = 3,119,518,696.03/58,671.06
  6. Step 6: Final answer
    x = 53,169.63

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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.