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Finding the Fourth Proportional to 58,468.58, 80,632.80 and 38,318.12

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Solution

The fourth proportional to 58,468.58, 80,632.80 and 38,318.12 is: 52,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.58 : 80,632.80 = 38,318.12 : x
  2. Step 2: Convert to fraction form
    58,468.58/80,632.80 = 38,318.12/x
  3. Step 3: Cross multiply
    58,468.58x = 80,632.80 × 38,318.12
  4. Step 4: Simplify right side
    58,468.58x = 3,089,697,306.34
  5. Step 5: Solve for x
    x = 3,089,697,306.34/58,468.58
  6. Step 6: Final answer
    x = 52,843.72

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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.