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Finding the Fourth Proportional to 39,970.56, 59,962.56 and 16,598.80

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Solution

The fourth proportional to 39,970.56, 59,962.56 and 16,598.80 is: 24,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.56 : 59,962.56 = 16,598.80 : x
  2. Step 2: Convert to fraction form
    39,970.56/59,962.56 = 16,598.80/x
  3. Step 3: Cross multiply
    39,970.56x = 59,962.56 × 16,598.80
  4. Step 4: Simplify right side
    39,970.56x = 995,306,540.93
  5. Step 5: Solve for x
    x = 995,306,540.93/39,970.56
  6. Step 6: Final answer
    x = 24,900.99

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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.