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Finding the Fourth Proportional to 60,880.88, 91,321.29 and 39,953.32

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Solution

The fourth proportional to 60,880.88, 91,321.29 and 39,953.32 is: 59,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.88 : 91,321.29 = 39,953.32 : x
  2. Step 2: Convert to fraction form
    60,880.88/91,321.29 = 39,953.32/x
  3. Step 3: Cross multiply
    60,880.88x = 91,321.29 × 39,953.32
  4. Step 4: Simplify right side
    60,880.88x = 3,648,588,493.88
  5. Step 5: Solve for x
    x = 3,648,588,493.88/60,880.88
  6. Step 6: Final answer
    x = 59,929.95

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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.