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Finding the Fourth Proportional to 40,266.80, 60,421.80 and 16,895.60

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Solution

The fourth proportional to 40,266.80, 60,421.80 and 16,895.60 is: 25,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.80 : 60,421.80 = 16,895.60 : x
  2. Step 2: Convert to fraction form
    40,266.80/60,421.80 = 16,895.60/x
  3. Step 3: Cross multiply
    40,266.80x = 60,421.80 × 16,895.60
  4. Step 4: Simplify right side
    40,266.80x = 1,020,862,564.08
  5. Step 5: Solve for x
    x = 1,020,862,564.08/40,266.80
  6. Step 6: Final answer
    x = 25,352.46

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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.