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Finding the Fourth Proportional to 59,889.60, 89,737.20 and 37,663.20

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Solution

The fourth proportional to 59,889.60, 89,737.20 and 37,663.20 is: 56,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.60 : 89,737.20 = 37,663.20 : x
  2. Step 2: Convert to fraction form
    59,889.60/89,737.20 = 37,663.20/x
  3. Step 3: Cross multiply
    59,889.60x = 89,737.20 × 37,663.20
  4. Step 4: Simplify right side
    59,889.60x = 3,379,790,111.04
  5. Step 5: Solve for x
    x = 3,379,790,111.04/59,889.60
  6. Step 6: Final answer
    x = 56,433.67

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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.