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Finding the Fourth Proportional to 60,358.76, 90,559.74 and 30,784.04

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Solution

The fourth proportional to 60,358.76, 90,559.74 and 30,784.04 is: 46,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,358.76 : 90,559.74 = 30,784.04 : x
  2. Step 2: Convert to fraction form
    60,358.76/90,559.74 = 30,784.04/x
  3. Step 3: Cross multiply
    60,358.76x = 90,559.74 × 30,784.04
  4. Step 4: Simplify right side
    60,358.76x = 2,787,794,658.55
  5. Step 5: Solve for x
    x = 2,787,794,658.55/60,358.76
  6. Step 6: Final answer
    x = 46,187.08

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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.