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Finding the Fourth Proportional to 28,724.48, 43,002.48 and 16,841.60

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Solution

The fourth proportional to 28,724.48, 43,002.48 and 16,841.60 is: 25,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.48 : 43,002.48 = 16,841.60 : x
  2. Step 2: Convert to fraction form
    28,724.48/43,002.48 = 16,841.60/x
  3. Step 3: Cross multiply
    28,724.48x = 43,002.48 × 16,841.60
  4. Step 4: Simplify right side
    28,724.48x = 724,230,567.17
  5. Step 5: Solve for x
    x = 724,230,567.17/28,724.48
  6. Step 6: Final answer
    x = 25,213.01

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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.