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Finding the Fourth Proportional to 60,639.03, 90,880.11 and 41,889.15

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Solution

The fourth proportional to 60,639.03, 90,880.11 and 41,889.15 is: 62,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.03 : 90,880.11 = 41,889.15 : x
  2. Step 2: Convert to fraction form
    60,639.03/90,880.11 = 41,889.15/x
  3. Step 3: Cross multiply
    60,639.03x = 90,880.11 × 41,889.15
  4. Step 4: Simplify right side
    60,639.03x = 3,806,890,559.81
  5. Step 5: Solve for x
    x = 3,806,890,559.81/60,639.03
  6. Step 6: Final answer
    x = 62,779.54

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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.