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Finding the Fourth Proportional to 35,326.80, 52,990.20 and 9,033.60

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Solution

The fourth proportional to 35,326.80, 52,990.20 and 9,033.60 is: 13,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.80 : 52,990.20 = 9,033.60 : x
  2. Step 2: Convert to fraction form
    35,326.80/52,990.20 = 9,033.60/x
  3. Step 3: Cross multiply
    35,326.80x = 52,990.20 × 9,033.60
  4. Step 4: Simplify right side
    35,326.80x = 478,692,270.72
  5. Step 5: Solve for x
    x = 478,692,270.72/35,326.80
  6. Step 6: Final answer
    x = 13,550.40

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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.