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Finding the Fourth Proportional to 28,368.37, 42,549.31 and 7,593.49

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Solution

The fourth proportional to 28,368.37, 42,549.31 and 7,593.49 is: 11,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.37 : 42,549.31 = 7,593.49 : x
  2. Step 2: Convert to fraction form
    28,368.37/42,549.31 = 7,593.49/x
  3. Step 3: Cross multiply
    28,368.37x = 42,549.31 × 7,593.49
  4. Step 4: Simplify right side
    28,368.37x = 323,097,759.99
  5. Step 5: Solve for x
    x = 323,097,759.99/28,368.37
  6. Step 6: Final answer
    x = 11,389.37

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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.