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Finding the Fourth Proportional to 60,307.26, 90,516.39 and 30,747.12

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Solution

The fourth proportional to 60,307.26, 90,516.39 and 30,747.12 is: 46,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.26 : 90,516.39 = 30,747.12 : x
  2. Step 2: Convert to fraction form
    60,307.26/90,516.39 = 30,747.12/x
  3. Step 3: Cross multiply
    60,307.26x = 90,516.39 × 30,747.12
  4. Step 4: Simplify right side
    60,307.26x = 2,783,118,305.30
  5. Step 5: Solve for x
    x = 2,783,118,305.30/60,307.26
  6. Step 6: Final answer
    x = 46,148.98

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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.