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Finding the Fourth Proportional to 28,459.98, 42,694.98 and 9,735.62

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Solution

The fourth proportional to 28,459.98, 42,694.98 and 9,735.62 is: 14,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.98 : 42,694.98 = 9,735.62 : x
  2. Step 2: Convert to fraction form
    28,459.98/42,694.98 = 9,735.62/x
  3. Step 3: Cross multiply
    28,459.98x = 42,694.98 × 9,735.62
  4. Step 4: Simplify right side
    28,459.98x = 415,662,101.19
  5. Step 5: Solve for x
    x = 415,662,101.19/28,459.98
  6. Step 6: Final answer
    x = 14,605.14

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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.