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Finding the Fourth Proportional to 60,243.77, 90,274.11 and 47,711.45

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Solution

The fourth proportional to 60,243.77, 90,274.11 and 47,711.45 is: 71,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,243.77 : 90,274.11 = 47,711.45 : x
  2. Step 2: Convert to fraction form
    60,243.77/90,274.11 = 47,711.45/x
  3. Step 3: Cross multiply
    60,243.77x = 90,274.11 × 47,711.45
  4. Step 4: Simplify right side
    60,243.77x = 4,307,108,234.19
  5. Step 5: Solve for x
    x = 4,307,108,234.19/60,243.77
  6. Step 6: Final answer
    x = 71,494.67

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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.